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Invention Timeline

Invention timeline, detailing in chronological order, historic inventions and their corresponding patent dates.

We provide both the date the invention was officially developed, plus the era - indicated on our timeline.

Timeline

Paleolithic Era

+ Indeterminate: Language
+ 2.4 mya: Olduwan - struck stone tools, in East Africa
+ 1.65 mya: Acheulean - struck and reworked stone tools, in Kenya
+ 1 mya: Controlled fire and cooking in East Africa
+ 500 tya: Shelter construction
+ 100-500 tya: Clothing
+ 400 tya: Pigments in Zambia
+ 400 tya: Spears in Germany
+ 100 tya: Lithic blades in Africa and the Near East
+ 60 tya: Ships probably used by settlers of New Guinea
+ 50 tya: Flute in Slovenia
+ 50 tya: Bow in Tunisia
+ 43 tya: Mining in Swaziland and Hungary
+ 37 tya: Tally sticks in Swaziland
+ 30 tya: Sewing needles
+ 26 tya: Ceramics in Moravia
+ 25 tya: Atlatl in Northwest Africa
+ 12 tya: Pottery in Japan

10th millennium BC

+ Agriculture and Alcoholic beverages in the Fertile Crescent
+ Adobe in the Near East
+ 9500 BC: Granary in the Jordan Valley

9th millennium BC

+ 8700 BC: Metalworking (copper pendant) in Iraq

8th millennium BC

+ Animal husbandry in the Near East
+ Plaster in Jericho

7th millennium BC

+ 6200 BC: Map in Çatalhöyük
+ Cloth woven from flax fiber

6th millennium BC

+ Irrigation in the Fertile Crescent
+ Ploughs in Mesopotamia

5th millennium BC

+ Beer and bread in Sumer
+ Wheel and axle combination in Mesopotamia

4th millennium BC

+ 4000 BC: Canal in Mesopotamia
+ 3800s BC: Engineered roadway in England
+ 3500 BC: Plywood in Egypt
+ 3500 BC: Writing in Sumer
+ 3500 BC: Carts in Sumer
+ 3100 BC: Drainage in the Indus Valley Civilization (India/Pakistan)
+ Dental surgery in Mehrgarh (Indus Valley Civilization)
+ Bronze: Susa
+ Silk in China
+ Cement in Egypt
+ River boats in Egypt

3rd millennium BC

+ 2800 BC: Soap in Mesopotamia
+ 2800 BC: Button in the Indus Valley Civilization
+ 2600 BC: Artificial sewage systems in the Indus Valley Civilization
+ 2500 BC: Flush toilets in the Indus Valley Civilization
+ 2400 BC: Shipyard in Lothal (Indus Valley Civilization)
+ 2000 BC: Currency
+ Sledges in Scandinavia
+ Alphabet in Egypt
+ Candles in Egypt

2nd millennium BC

+ Glass in Egypt
+ Rubber in Mesoamerica
+ Spoked wheel chariot in the Near East
+ Water clock in Egypt
+ Bells in China

1st millennium BC

+ Catapult in Near East
+ 600s BC: Coins in Lydia
+ 500s BC: Sugar in India
+ 500s BC: Dental bridge in Etruria
+ 500s BC: Trebuchet in China
+ 400s BC: Plastic surgery: Sushruta
+ 300s BC: Compass in China.
+ 300s BC: Screw: Archytas
+ 200s BC: Crossbow in China
+ 200s BC: Compound pulley: Archimedes
+ 200s BC: Odometer: Archimedes?
+ 150s BC: Clockwork (the Antikythera mechanism)
+ 150s BC: Astrolabe: Hipparchus
+ 100s BC: Parchment in Pergamon
+ 1st century BC: Glassblowing in Syria
+ 40 BC: earliest known rolling-element bearing in Roman ship

1st millennium

+ 50: Mouldboard plough in Gaul
+ 100s: Aeolipile : Egypt by Hero of Alexandria
+ 100s: Stern mounted rudder in China
+ 105: Paper: Cai Lun
+ 132: Rudimentary Seismometer: Zhang Heng
+ 200s: Wheelbarrow: Zhuge Liang
+ 200s: Horseshoes in Germany
+ 300: Wootz steel in India
+ 300s: Stirrup in China
+ 300s: Toothpaste in Egypt
+ 600s: Windmill in Persia
+ 673: Greek fire: Kallinikos of Heliopolis
+ 700: Quill pen
+ 800s: Gunpowder in China
+ 852: Parachute: Armen Firman
+ 900: Horse collar in Europe
+ 900s: Solid rocket in China
+ Woodblock printing in China
+ Porcelain in China
+ Spinning wheel in China or India

2nd millennium

11th century

+ 1100(circa): Framed Bead Abacus in China
+ 1041: Movable type printing press: Bi Sheng

12th century

+ 1128: Cannon in China

13th century

+ 1280s: Eyeglasses in Northern Italy
+ Mechanical clocks in Northern Italy
+ Sandpaper in China

14th century

+ 1350: Suspension bridges in Peru

15th century

+ Arquebus and Rifle in Europe
+ 1441: Rain gauge: Jang Yeong-sil
+ 1450s: Alphabetic, movable type printing press: Johann Gutenberg
+ 1451: Concave lens for eyeglasses: Nicholas of Cusa
+ 1490 - 1492: Globe "Nürnberg Terrestrial Globe" by German mapmaker Martin Behaim
+ 1498: Toothbrush in China

16th century

+ 1500(circa): Ball bearing: Leonardo Da Vinci
+ 1500(circa): Scissors: Leonardo Da Vinci
+ 1510: Pocket watch: Peter Henlein
+ 1540: Ether: Valerius Cordus
+ 1576: Ironclad warship: Oda Nobunaga
+ 1581: Pendulum: Galileo Galilei
+ 1582: Gregorian calendar: multiple inventors
+ 1589: Stocking frame: William Lee
+ 1593: Thermometer: Galileo Galilei
+ Musket in Europe
+ Pencil in England

17th century

+ 1608: Telescope: Hans Lippershey
+ 1609: Microscope: Galileo Galilei
+ 1620: Slide rule: William Oughtred
+ 1623: Automatic calculator: Wilhelm Schickard
+ 1631: Vernier scale: Pierre Vernier
+ 1642: Adding machine: Blaise Pascal
+ 1643: Barometer: Evangelista Torricelli
+ 1645: Vacuum pump: Otto von Guericke
+ 1657: Pendulum clock: Christiaan Huygens
+ 1672: Steam car: Ferdinand Verbiest
+ 1679: Pressure cooker: Denis Papin
+ 1698: Steam engine: Thomas Savery
+ 1700: Piano: Bartolomeo Cristofori

18th century

+ 1701: Seed drill: Jethro Tull
+ 1709: Iron smelting using coke: Abraham Darby I
+ 1712: Steam piston engine: Thomas Newcomen
+ 1710: Thermometer: René Antoine Ferchault de Réaumur
+ 1711: Tuning fork: John Shore
+ 1714: Mercury thermometer: Daniel Gabriel Fahrenheit
+ 1730: Mariner's quadrant: Thomas Godfrey
+ 1731: Sextant: John Hadley
+ 1733: Flying shuttle: John Kay
+ 1742: Franklin stove: Benjamin Franklin
+ 1750: Flatboat: Jacob Yoder
+ 1752: Lightning rod: Benjamin Franklin
+ 1764: Spinning jenny: James Hargreaves/Thomas Highs
+ 1767: Carbonated water: Joseph Priestley
+ 1769: Steam engine: James Watt
+ 1769: Water frame: Richard Arkwright/Thomas Highs
+ 1769: Steam car: Nicolas Cugnot
+ 1775: Submarine Turtle: David Bushnell
+ 1775: new kind of Boring machine: John Wilkinson
+ 1776: Steamboat: Claude de Jouffroy
+ 1777: Card teeth making machine: Oliver Evans
+ 1777: Circular saw: Samuel Miller
+ 1779: Spinning mule: Samuel Crompton
+ 1780s: Iron rocket: Tipu Sultan in India
+ 1783: Multitubular boiler engine: John Stevens
+ 1783: Parachute: Jean Pierre Blanchard
+ 1783: Hot air balloon: Montgolfier brothers
+ 1784: Bifocals: Benjamin Franklin
+ 1784: Argand lamp: Ami Argand
+ 1784: Shrapnel shell: Henry Shrapnel
+ 1785: Power loom: Edmund Cartwright
+ 1785: Automatic flour mill: Oliver Evans
+ 1786: Threshing machine: Andrew Meikle
+ 1787: Non-condensing high pressure Engine: Oliver Evans
+ 1790: Cut and head nail machine: Jacob Perkins
+ 1791: Artificial teeth: Nicholas Dubois De Chemant
+ 1793: Cotton gin: Eli Whitney
+ 1793: Optical telegraph: Claude Chappe
+ 1797: Cast iron plow: Charles Newbold
+ 1798: Vaccination: Edward Jenner
+ 1798: Lithography: Alois Senefelder
+ 1799: Seeding machine: Eliakim Spooner

19th century

1800s

+ 1800: Electric battery: Alessandro Volta
+ 1801: Jacquard loom: Joseph Marie Jacquard
+ 1802: Screw propeller steamboat Phoenix: John Stevens
+ 1802: Gas stove: Zachäus Andreas Winzler
+ 1804: Locomotive: Richard Trevithick
+ 1805: Submarine Nautilus: Robert Fulton
+ 1807: Steamboat Clermont: Robert Fulton
+ 1808: Band saw: William Newberry
+ 1809: Arc lamp: Humphry Davy

1810s

+ 1811: Gun Breechloader: Thornton
+ 1812: Metronome: Dietrich Nikolaus Winkel
+ 1814: Steam Locomotive (Blücher): George Stephenson
+ 1816: Miner's safety lamp: Humphry Davy
+ 1816: Metronome: Johann Nepomuk Maelzel (reputed)
+ 1816: Stirling engine: Robert Stirling
+ 1816: Stethoscope: Rene Theophile Hyacinthe Laennec
+ 1817: Draisine or velocipede (two-wheeled): Karl Drais
+ 1817: Kaleidoscope: David Brewster
+ 1819: Breech loading flintlock: John Hall

1820s

+ 1821: Electric motor: Michael Faraday
+ 1823: Electromagnet: William Sturgeon
+ 1826: Photography: Joseph Nicéphore Niépce
+ 1826: Internal combustion engine: Samuel Morey
+ 1827: Insulated wire: Joseph Henry
+ 1827: Screw propeller: Josef Ressel
+ 1827: Friction match: John Walker

1830s

+ 1830: Lawn mower: Edwin Beard Budding
+ 1830: Stenotype on punched paper strip: Karl Drais
+ 1831: Multiple coil magnet: Joseph Henry
+ 1831: Magnetic acoustic telegraph: Joseph Henry (patented 1837)
+ 1831: Reaper: Cyrus McCormick
+ 1831: Electrical generator: Michael Faraday, Ányos Jedlik
+ 1834: The Hansom cab is patented
+ 1834: Louis Braille perfects his Braille system
+ 1834: Refrigerator: Jacob Perkins
+ 1834: Combine harvester: Hiram Moore
+ 1835: Photogenic Drawing: William Henry Fox Talbot
+ 1835: Revolver: Samuel Colt
+ 1835: Morse code: Samuel Morse
+ 1835: Electromechanical Relay: Joseph Henry
+ 1835: Incandescent light bulb: James Bowman Lindsay
+ 1836: Samuel Colt receives a patent for the Colt revolver (February 24)
+ 1836: Improved screw propeller: John Ericsson
+ 1836: Sewing machine: Josef Madersberger
+ 1837: Photography: Louis-Jacques-Mandé Daguerre
+ 1837: First US electric printing press patented by Thomas Davenport (February 25)
+ 1837: Steel plow: John Deere
+ 1837: Standard diving dress: Augustus Siebe
+ 1837: Camera Zoom Lens: Jozef Maximilián Petzval
+ 1838: Electric telegraph: Charles Wheatstone (also Samuel Morse)
+ 1838: Forerunner of Morse code: Alfred Vail
+ 1838: closed diving suit with a helmet: Augustus Siebe
+ 1839: Vulcanization of rubber: Charles Goodyear

1840s

+ 1840: Screw-propelled frigate, USS Princeton: John Ericsson
+ 1840: artificial fertilizer: Justus von Liebig
+ 1842: Anaesthesia: Crawford Long
+ 1843: Typewriter: Charles Thurber
+ 1843: Fax machine: Alexander Bain
+ 1843: Ice cream maker: Nancy Johnson
+ 1845: Portland cement: William Aspdin
+ 1845: Double tube tire: Robert Thomson (inventor)
+ 1846: Sewing machine: Elias Howe
+ 1846: Rotary printing press: Richard M. Hoe
+ 1849: Safety pin: Walter Hunt
+ 1849: Francis turbine: James B. Francis
+ 1849: Telephone: Antonio Meucci

1850s

+ 1852: Airship: Henri Giffard
+ 1852: Passenger elevator: Elisha Otis
+ 1852: Gyroscope: Léon Foucault
+ 1855: Bunsen burner: Robert Bunsen
+ 1855: Bessemer process: Henry Bessemer
+ 1856: First celluloids: Alexander Parkes
+ 1858: Undersea telegraph cable: Fredrick Newton Gisborne
+ 1858: Shoe sole sewing machine: Lyman R. Blake
+ 1858: Mason jar: John L. Mason
+ 1859: Oil drill: Edwin L. Drake

1860s

+ 1860: Linoleum: Fredrick Walton
+ 1860: Repeating rifle: Oliver F. Winchester, Christopher Spencer
+ 1860: Self-propelled torpedo: Giovanni Luppis
+ 1861: Ironclad USS Monitor: John Ericsson
+ 1861: Siemens regenerative furnace: Carl Wilhelm Siemens
+ 1862: Revolving machine gun: Richard J. Gatling
+ 1862: Mechanical submarine: Narcís Monturiol i Estarriol
+ 1862: Pasteurization: Louis Pasteur, Claude Bernard
+ 1863: Player piano: Henri Fourneaux
+ 1864: First concept typewriter: Peter Mitterhofer
+ 1865: Compression ice machine: Thaddeus Lowe
+ 1865: Roller Coaster: LaMarcus Adna Thompson
+ 1865: Barbed wire: Louis Jannin
+ 1866: Dynamite: Alfred Nobel
+ 1868: First practical typewriter: Christopher Sholes, Carlos Glidden and Samuel W. Soule, with assistance from James Densmore
+ 1868: Air brake (rail): George Westinghouse
+ 1868: Oleomargarine: Mege Mouries
+ 1869: Vacuum cleaner: I.W. McGaffers

1870s

+ 1870: Magic Lantern projector: Henry R. Heyl
+ 1870: Stock ticker: Thomas Alva Edison
+ 1870: Mobile Gasoline Engine, fitted to a cart precursor to 1888 automobile: Siegfried Marcus
+ 1871: Cable car (railway): Andrew S. Hallidie
+ 1871: Compressed air rock drill: Simon Ingersoll
+ 1872: Celluloid (later development): John W. Hyatt
+ 1872: Adding machine: Edmund D. Barbour
+ 1873: Railway knuckle coupler: Eli H. Janney
+ 1873: Modern direct current electric motor: Zénobe Gramme
+ 1874: Electric street car: Stephen Dudle Field
+ 1875: Dynamo: William A. Anthony
+ 1875: Magazine (firearm): Benjamin B. Hotchkiss
+ 1876: Carpet sweeper: Melville Bissell
+ 1876: Gasoline carburettor: Daimler
+ 1876: Loudspeaker: Alexander Graham Bell
+ 1877: Stapler: Henry R. Heyl
+ 1877: Induction motor: Nikola Tesla
+ 1877: Phonograph: Thomas Alva Edison
+ 1877: Electric welding: Elihu Thomson
+ 1877: Twine Knotter: John Appleby
+ 1877: Microphone: Emile Berliner
+ 1878: Cathode ray tube: William Crookes
+ 1878: Transparent film: Eastman Goodwin
+ 1878: Rebreather: Henry Fleuss
+ 1879: Pelton turbine: Lester Pelton
+ 1879: Automobile engine: Karl Benz
+ 1879: Cash register: James Ritty
+ 1879: Automobile (Patent): George B. Seldon

1880s

+ 1880: Photophone: Alexander Graham Bell
+ 1880: Roll film: George Eastman
+ 1880: Safety razor: Kampfe Brothers
+ 1880: Seismograph: John Milne
+ 1881: Electric welding machine: Elihu Thomson
+ 1881: Metal detector: Alexander Graham Bell
+ 1882: Electric fan: Schuyler Skatts Wheeler
+ 1882: Electric flat iron: Henry W. Seely
+ 1883: Auto engine - compression ignition: Gottlieb Daimler
+ 1883: two-phase (alternating current) induction motor: Nikola Tesla
+ 1884: Linotype machine: Ottmar Mergenthaler
+ 1884: Fountain pen: Lewis Waterman
+ 1884: Punched card accounting: Herman Hollerith
+ 1884: Trolley car, (electric): Frank Sprague, Charles Van Depoele
+ 1885: Automobile patent granted (internal combustion engine powered): Karl Benz first automobile put into production
+ 1885: Automobile, differential gear: Karl Benz
+ 1885: Maxim gun: Hiram Stevens Maxim
+ 1885: Motor cycle: Gottlieb Daimler and Wilhelm Maybach
+ 1885: Alternating current transformer: William Stanley
+ 1886: Dishwasher: Josephine Cochrane
+ 1886: Gasoline engine: Gottlieb Daimler
+ 1886: Improved phonograph cylinder: Tainter & Bell
+ 1887: Monotype machine: Tolbert Lanston
+ 1887: Contact lens: Adolf E. Fick, Eugène Kalt and August Muller
+ 1887: Gramophone record: Emile Berliner
+ 1888: Polyphase AC Electric power system: Nikola Tesla (30 related patents.)
+ 1888: Kodak hand camera: George Eastman
+ 1888: Ballpoint pen: John Loud
+ 1888: Pneumatic tube tire: John Boyd Dunlop
+ 1888: Harvester-thresher: Matteson (?)
+ 1888: Kinematograph: Augustin Le Prince
+ 1888: Automobile Mobile Gasoline Engine: Siegfried Marcus
+ 1889: Automobile, (steam): Sylvester Roper
+ 1889: Automobile, (gasoline): Gottlieb Daimler

1890s

+ 1890: Pneumatic Hammer: Charles B. King
+ 1891: Automobile Storage Battery: William Morrison
+ 1891: Zipper: Whitcomb L. Judson
+ 1891: Carborundum: Edward G. Acheson
+ 1892: Color photography: Frederic E. Ives
+ 1892: Automatic telephone exchange (electromechanical): Almon Strowger - First in commercial service.
+ 1893: Photographic gun: E.J. Marcy
+ 1893: Carburetor: Donát Bánki and János Csonka
+ 1893: Half tone engraving: Frederic E. Ives
+ 1893: Wireless communication: Nikola Tesla
+ 1893: Radio: Nikola Tesla
+ 1894: Radio transmission: Jagdish Chandra Bose
+ 1895: Phatoptiken projector: Woodville Latham
+ 1895: Phantascope: C. Francis Jenkins
+ 1895: Diesel engine: Rudolf Diesel
+ 1895: Radio signals: Guglielmo Marconi
+ 1895: Shredded Wheat: Henry Perky
+ 1896: Vitascope: Thomas Armat
+ 1896: Steam turbine: Charles Curtis
+ 1896: Electric stove: William S. Hadaway
+ 1897: Automobile, magneto: Robert Bosch
+ 1897: Modern escalator: Jesse W. Reno
+ 1898: tapered roller bearing: Henry Timken
+ 1898: Remote control: Nikola Tesla
+ 1899: Iron-Mercury coherer with telephone detector: Jagdish Chandra Bose
+ 1899: Automobile self starter: Clyde J. Coleman
+ 1899: Magnetic tape recorder: Valdemar Poulsen
+ 1899: Gas turbine: Charles Curtis

20th century

1900s

+ 1900: Rigid dirigible airship: Ferdinand Graf von Zeppelin
+ 1900: Self-heating can
+ 1900s: Microwave optics: Jagdish Chandra Bose
+ 1901: Improved wireless transmitter: Reginald Fessenden
+ 1901: Instant coffee by Sartori Kato
+ 1901: Mercury vapor lamp: Peter C. Hewitt
+ 1901: Disposable razor blade: King C. Gillette
+ 1901: Vacuum cleaner: Hubert Booth
+ 1902: Ostwald process: Wilhelm Ostwald
+ 1902: Radio magnetic detector: Guglielmo Marconi
+ 1902: Air Conditioner: Willis Carrier
+ 1902: Neon lamp: Georges Claude
+ 1902: Radio telephone: Poulsen Reginald Fessenden
+ 1902: Rayon cellulose ester: Arthur D. Little
+ 1903: Electrocardiograph (EKG): Willem Einthoven
+ 1903: Powered Monoplane: Richard Pearse
+ 1903: Powered airplane: Wilbur Wright and Orville Wright
+ 1903: Bottle machine: Michael Owens
+ 1903: Windshield wiper: Mary Anderson
+ 1904: Thermionic valve: John Ambrose Fleming
+ 1904: Separable Attachment Plug: Harvey Hubbell
+ 1904: Tractor: Benjamin Holt
+ 1905: Radio tube diode: John Ambrose Fleming
+ 1906: Sonar (first device): Lewis Nixon
+ 1906: Triode amplifier: Lee DeForest
+ 1907: Color photography: Auguste and Louis Lumiere
+ 1907: Helicopter: Paul Cornu
+ 1907: Radio amplifier: Lee DeForest
+ 1907: Radio tube triode: Lee DeForest
+ 1907: Vacuum cleaner, (electric): James Spangler
+ 1907: Washing machine, (electric): Alva Fisher (Hurley Corporation)
+ 1908: Cellophane: Jacques E. Brandenberger
+ 1908: Geiger counter: Hans Geiger and Ernest Rutherford
+ 1908: Gyrocompass: Hermann Anschütz-Kaempfe
+ 1908: Haber process: Fritz Haber
+ 1908: Tea bag: Thomas Sullivan
+ 1909: Monoplane: Henry W. Walden
+ 1909: Bakelite: Leo Baekeland
+ 1909: Gun silencer: Hiram Percy Maxim

1910s

+ 1910: Thermojet engine: Henri Coanda
+ 1911: Gyrocompass: Elmer A. Sperry
+ 1911: Automobile self starter (perfected): Charles F. Kettering
+ 1911: Air conditioner: Willis Haviland Carrier
+ 1911: Cellophane: Jacques Brandenburger
+ 1911: Hydroplane: Glenn Curtiss
+ 1912: Ecstasy: Merck
+ 1912: Photography ;Lapse-time camera for use with plants:Arthur C. Pillsbury
+ 1912: Regenerative radio circuit: Edwin H. Armstrong
+ 1913: Cracking process for Gasoline: William M. Burten
+ 1913: Crossword: Arthur Wynne
+ 1913: Double acting wrench: Robert Owen
+ 1913: Gyroscope stabilizer: Elmer A. Sperry
+ 1913: Radio receiver, cascade tuning: Ernst Alexanderson
+ 1913: Radio receiver, heterodyne: Reginald Fessenden
+ 1913: Stainless steel: Harry Brearley
+ 1913: X-Ray (improved): William D. Coolidge
+ 1914: Radio transmitter triode mod.: Ernst Alexanderson
+ 1914: Liquid fuel rocket: Robert Goddard
+ 1914: Tank, military: Ernest Dunlop Swinton
+ 1915: Tungsten Filament: Irving Langmuir
+ 1915: Searchlight arc: Elmer A. Sperry
+ 1915: Radio tube oscillator: Lee DeForest
+ 1915: Pyrex: Corning Inc.
+ 1916: Browning Gun: John Browning
+ 1916: Thompson submachine gun: John T. Thompson
+ 1916: Incandescent gas lamp: Irving Langmuir
+ 1917: Sonar echolocation: Paul Langevin
+ 1917: Cruise missile: Charles Kettering
+ 1918: Superheterodyne receiver: Edwin H. Armstrong
+ 1918: Interrupter gear: Anton Fokker
+ 1918: Radio crystal oscillator: A.M. Nicolson
+ 1918: Pop-up toaster: Charles Strite
+ 1919: Flip-flop circuit: William Eccles and F. W. Jordan
+ 1919: Theremin: Leon Theremin

1920s

+ 1921: Polygraph: John A. Larson
+ 1922: Radar: Robert Watson-Watt, A. H. Taylor, L. C. Young, Gregory Breit, Merle Antony Tuve
+ 1922: Technicolor: Herbert T. Kalmus
+ 1922: Water skiing: Ralph Samuelson
+ 1922: Photography : First mass production photo machine:Arthur C. Pillsbury
+ 1922: Hornless rodeo saddle : Earl W. Bascom
+ 1923: Arc tube: Ernst Alexanderson
+ 1923: Sound film: Lee DeForest
+ 1923: Television Electronic: Philo Farnsworth
+ 1923: Wind tunnel: Max Munk
+ 1923: Autogyro: Juan de la Cierva
+ 1923: Xenon flash lamp: Harold Edgerton
+ 1925: Ultra-centrifuge: Theodor Svedberg - used to determine molecular weights
+ 1924: frozen food
+ 1924: Rodeo bareback rigging: Earl W. Bascom
+ 1925: Television Nipkow System: C. Francis Jenkins
+ 1925: Telephoto: C. Francis Jenkins
+ 1926: Television Mechanical Scanner: John Logie Baird
+ 1926: Aerosol spray: Rotheim
+ 1927: Mechanical cotton picker: John Rust
+ 1927: PEZ Candy: Eduard Haas III
+ 1927: Photography:First microscopic motion picture camera: Arthur C. Pillsbury
+ 1928: Sliced bread: Otto Frederick Rohwedder
+ 1928: Electric dry shaver: Jacob Schick
+ 1928: Antibiotics: Alexander Fleming (initial discovery of penicillin)
+ 1928: Preselector gearbox: Walter Gordon Wilson
+ 1929: Electroencephelograph (EEG): Hans Berger
+ 1929: Kinescope:Vladimir Zworykin
+ 1929: Photography:First X-Ray motion picture camera:Arthur C. Pillsbury
+ 1920s: Band aid: Earle Dickson
+ 1920s: Insulin
+ 1920s: Mechanical potato peeler: Herman Lay

1930s

+ 1930: Neoprene: Wallace Carothers
+ 1930: Nylon: Wallace Carothers
+ 1930: Photography: Underwater Motion Picture Camera: Arthur C. Pillsbury
+ 1931: the Radio telescope: Karl Jansky Grote Reber
+ 1931: Iconoscope: Vladimir Zworykin
+ 1932: Polaroid glass: Edwin H. Land
+ 1935: microwave radar: Robert Watson-Watt
+ 1935: Trampoline: George Nissen and Larry Griswold
+ 1935: Spectrophotometer: Arthur C. Hardy
+ 1935: Casein fiber: Earl Whittier Stephen
+ 1935: Hammond Organ: Laurens Hammond
+ 1936: Pinsetter (bowling): Gottfried Schmidt
+ 1937: Turboprop engine: György Jendrassik
+ 1937: Jet engine: Frank Whittle and Hans von Ohain
+ 1937: O-ring: Niels Christensen
+ 1938: Ballpoint pen: Laszlo Biro
+ 1938: Fiberglass: Russell Games Slayter John H. Thomas
+ 1939: FM radio: Edwin H. Armstrong
+ 1939: Helicopter: Igor Sikorsky
+ 1939: View-master: William Gruber
+ 1939: Automated teller machine: Luther George Simjian

1940s

+ 1942: Bazooka Rocket Gun: Leslie A. Skinner C. N. Hickman
+ 1942: Undersea oil pipeline: Hartley, Anglo-Iranian, Siemens in Operation Pluto
+ 1942: Frequency hopping: Hedy Lamarr and George Antheil
+ 1943: Aqua-Lung: Jacques-Yves Cousteau and Emile Gagnan
+ 1944: Electron spectrometer: Deutsch Elliot Evans
+ 1945: Slinky: Richard James and Betty James
+ 1945: Nuclear weapons (but note: chain reaction theory: 1933)
+ 1946: Microwave oven: Percy Spencer
+ 1946: Mobile Telephone Service: AT&T and Southwestern Bell
+ 1946: Computer: John Mauchly and J. Presper Eckert
+ 1947: Transistor: William Shockley, Walter Brattain, John Bardeen
+ 1947: Polaroid camera: Edwin Land
+ 1948: Long Playing Record: Peter Carl Goldmark
+ 1948: Holography: Dennis Gabor
+ 1949: Atomic clocks

1950s

+ 1951: Liquid Paper: Bette Nesmith Graham
+ 1951: Nuclear power reactor: Walter Zinn
+ 1952: Fusion bomb: Edward Teller and Stanislaw Ulam
+ 1952: Hovercraft: Christopher Cockerell
+ 1953: Maser: Charles Townes
+ 1953: Medical ultrasonography
+ 1954: Transistor radio (dated from the from Regency TR1) (USA)
+ 1954: Geodesic dome: Buckminster Fuller
+ 1955: Velcro: George de Mestral
+ 1955: Hair spray Helene Curtis
+ 1955: Hard Drive: Reynold Johnson with IBM
+ 1956: Digital clock
+ 1956: Optical fiber: Basil Hirschowitz, C. Wilbur Peters, and Lawrence E. Curtiss
+ 1956: Videocassette recorder: Ampex
+ 1957: Jet Boat: William Hamilton
+ 1957: Bubble Wrap: Alfred Fielding and Marc Chavannes
+ 1958: Integrated circuit: Jack Kilby of Texas Instruments, Robert Noyce at Fairchild Semiconductor
+ 1958: Communications satellite: Kenneth Masterman-Smith
+ 1959: Snowmobile: Joseph-Armand Bombardier

1960s

+ 1960: Laser: Theodore Harold Maiman
+ 1961: Optical disc: David Paul Gregg
+ 1961: Cochlear implant: William House
+ 1962: Light-emitting diode: Nick Holonyak
+ 1962: Space observatory: Ball Brothers Aerospace Corporation [8]
+ 1963: Computer mouse: Douglas Engelbart
+ 1967: Automatic Teller Machine: John Shepherd-Barron
+ 1967: Hypertext: Andries van Dam and Ted Nelson
+ 1968: Video game console: Ralph H. Baer
+ 1960s: Packet switching: Paul Baran and Donald Davies, independently
+ 1969: ARPANET (first wide-area packet switching network): United States Department of Defense

1970s

+ 1971: E-mail: Ray Tomlinson
+ 1971: Liquid Crystal Display: James Fergason
+ 1971: Microprocessor
+ 1971: Pocket calculator: Sharp Corporation
+ 1971: Magnetic resonance imaging: Raymond V. Damadian
+ 1971: Floppy Disk: David Noble with IBM
+ 1972: Computed tomography: Godfrey Newbold Hounsfield
+ 1973: Ethernet: Bob Metcalfe and David Boggs
+ 1973: Genetically modified organism: Stanley Norman Cohen and Herbert Boyer
+ 1973: Personal computer: Xerox PARC
+ 1974: Rubik's Cube: Erno Rubik
+ 1974: Hybrid vehicle: Victor Wouk [9]
+ 1975: Digital camera: Steven Sasson
+ 1976: Gore-Tex fabric: W. L. Gore
+ 1977: Personal stereo: Andreas Pavel
+ 1977: Cellular mobile phone: Bell Labs [10]
+ 1978: Spring loaded camming device: Ray Jardine
+ 1978 : Spreadsheet: Dan Bricklin
+ 1970s: Leaf blower in Japan

1980s

+ 1981: Scanning tunneling microscope: Gerd Karl Binnig and Heinrich Rohrer
+ 1982: Insulated gate bipolar transistor: Hans Becke and Carl Wheatley RCA
+ 1982: ACE inhibitor: John R. Vane
+ 1983: Camcorder: Sony
+ 1983: Internet: first TCP/IP network: Robert E. Kahn, Vint Cerf and others
+ 1984: Lithotripsy: Claude Dornier
+ 1985: Polymerase chain reaction: Kary Mullis
+ 1985: DNA fingerprinting: Alec Jeffreys
+ 1986: Breadmaker
+ 1987: Statin: Carl Hoffman
+ 1987: Digital Light Processing: Dr. Larry Hornbeck, Texas Instruments

1990s

+ 1990: World Wide Web: Tim Berners-Lee
+ 1993: Global Positioning System: United States Department of Defense
+ 1993: Blue LED: Shuji Nakamura
+ 1997: Non-mechanical Digital Audio Player: SaeHan Information Systems
+ 1997: DVD
+ 1997: Wi-Fi: Alex Hills
+ 1998: Viagra: Nicholas Terret, Peter Dunn (scientist) and Albert Wood

3rd millennium

21st century

2000s

+ 2001: Digital satellite radio
+ 2001: Self-contained Artificial heart
+ 2002: Scramjet: University of Queensland

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