Invention | Inventor | Year | Patent No. |
A |
Alternating Current Calculations | Charles Proteus Steinmetz | 1897 |
|
Alternator | Nikola Tesla | 1891 | US447,921 |
Ampère's Law | André-Marie Ampère | 1820 |
|
Answering Machine | Willy Müller | 1935 | US2,816,167 |
Arc Lamp | William Edwards Staite | 1834 |
|
B |
Battery (Voltaic Pile) | Alessandro Volta | 1800 |
|
Beverage Antenna | Harold Beverage | 1921 |
|
Biconical Antenna | Oliver Lodge | 1898 | US609,154 |
Bioelectricity/Bioelectrogenesis | Luigi Galvani | 1780s |
|
Biot-Savart Law | Jean Baptiste Biot
Felix Savart | 1820 |
|
C |
Capacitor | Ewald Georg von Kleist | 1745 |
|
Car Radio | Paul Galvin
William Powell Lear | 1929
1930 |
US1,944,139 |
Cassette Tape | Philips Company | 1962 |
|
Cathode Ray Tube (CTR) | Karl Ferdinand Braun | 1897 |
|
Cathode Rays | Julius Plücker | 1859 |
|
Cell Phone | Martin Cooper | 1973 | US3,906,166 |
Citizens' Band Radio (CB) | Al Gross | 1948 |
|
CMOS (Complementary Metal-Oxide-Semiconductor) | Frank Wanlass (Fairchild Semiconductor) | 1963 | US3,356,858 |
Color Television | Peter Goldmark
Alfred Schroeder | 1940
1947 |
|
Compactron | General Electric (GE) | 1961 |
|
Compact Disc (CD) | James T. Russell | 1965 |
|
Compass | China | 350 AD |
|
Computer (Analytical Engine) | Charles Babbage | 1837 |
|
Conservation of Electric Charge | James Clerk Maxwell | 1865 |
|
Coulomb's Law | Charles-Augustin de Coulomb | 1787 |
|
CPU (Central Processing Unit) - Relay | Konrad Zuse | 1941 |
|
CPU (Central Processing Unit) - PC | Intel (8080) | 1974 |
|
Crookes Tube | William Crookes | c1875 |
|
Crystal Oscillator | Paul Langevin | 1917 | FR505,703 |
Crystal Radio Receiver | Greenleaf Whittier Pickard | 1900 | US836,531 |
Curie's Law | Pierre Curie | 1895 |
|
D |
Daniell (Daniel) Cell | John Frederic Daniell | 1836 |
|
Darlington Pair | Sidney Darlington (Bell Laboratories) | 1953 | US2,663,806 |
Diamagnetism | Michael Faraday | 1845 |
|
Differential Amplifier | Otto Herbert Schmitt | 1937 | Never Patented |
Digital Camera | NASA | 1960s |
|
Digital Micromirror Device (DMD) | Larry Hornbeck
William E. Nelson | 1987 |
|
Digital TAD (Telephone Answering Device) | Kazuo Hashimoto | 1984 | US4,616,110 |
Diode | John Ambrose Fleming | 1904 | US803,684
GB24,805 |
Displacement Current | James Clerk Maxwell | 1865 |
|
Distributor | Frank Conrad
Arthur Atwater Kent | 1917
1920 | US1,219,704
US1,474,970 |
Digital Light Processing (DLP) | Larry Hornbeck
William E. Nelson | 1987 | US4,710,732
US4,662,746 |
DVD (Digital Video Disc) | Philips, Sony, Toshiba, Time-Warner, Matsushita Electric, Hitachi, Mitsubishi Electric, Pioneer, Thomson, JVC, IBM | 1995 |
|
E |
Electric Car | Thomas Davenport | 1833 | US132 |
Electric Charge | Thales of Miletus | 600 BC |
|
Electric Distribution System | Thomas Alva Edison | 1882 | US266,793 |
Electric Field | Thales of Miletus | 600 BC |
|
Electric Motor | Michael Faraday | 1821 |
|
Electrical Generator (Dynamo) | Michael Faraday
Hippolyte Pixii | 1832
1832 |
|
Electric Guitar | Lloyd Loar | 1923 |
|
Electrolysis | Michael Faraday | 1832 |
|
Electrolytic Capacitor | Julius Edgar Lilienfeld | 1928 | US2,013,564 |
Electromagnet | William Sturgeon | 1825 |
|
Electromagnetic / Magnetic Field | Hans Christian Oersted | 1820 |
|
Electromagnetic Induction (Faraday's Law) | Michael Faraday | 1831 |
|
Electromagnetism | James Clerk Maxwell | 1865 |
|
Electron | Joseph John (J.J.) Thomson | 1897 |
|
Electronic Ignition | Chrysler Corporation | 1970 |
|
Electron Charge (Oil-Drop Experiment) | Robert Millikan | 1909 |
|
Electron Gun |
|
|
|
Electroplating | Luigi V. Brugnatelli | 1805 |
|
EPROM (Erasable Programmable Read-Only Memory) | Dov Frohman (Intel) | 1971 |
|
F |
Faraday Cage | Michael Faraday | 1836 |
|
Fax Machine / Facsimile | Alexander Bain | 1842 |
|
Faraday Effect | Michael Faraday | 1845 |
|
Ferromagnetism | Pierre Curie | 1895 |
|
FET - Field Effect Transistor | Julius Edgar Lilienfeld | 1928 | US1,745,175 |
Filter |
|
|
|
Fluorescent Lamp | Edmund Germer &
Friedrich Meyer &
Hans J. Spanner | 1926 | US2,182,732 |
FM Radio | Edwin Howard Armstrong | 1933 | US1,342,885 |
Fuel Cell | Francis Thomas Bacon | 1932 | GB667,298 |
Full Spectrum Lighting | John Ott | 1950s | US4,091,441 |
G |
Galvanic Cell | Luigi Galvani | 1780 |
|
Galvanometer | Johann S. Schweigger | 1822 |
|
Gauss's Law | Johann Carl Friedrich Gauss | 1867 |
|
Geiger Counter Tube | Hans (Johannes Wilhelm) Geiger &
W. Müller (Mueller) | 1908 |
|
Geissler Tube | Heinrich Geissler | 1857 |
|
Global Positioning System (GPS) | U.S. Department of Defense (DOD) | 1960s |
|
Glow Plug | Ben Shereshaw
Ray Arden | 1946 |
|
H |
Hall Effect | Edwin Hall | 1879 |
|
High-Temperature Superconductivity | Johannes Bednorz
Karl Müller | 1986 |
|
Hybrid Vehicle | Ferdinand Porsche | 1899 |
|
Hysteresis | James Alfred Ewing
Charles Proteus Steinmetz | 1890
1891 |
|
I |
Ignition Coil | Nikola Tesla | 1898 | US609,250 |
Ignition System | Charles Kettering | 1911 | US1,150,523 |
Incandescent Light Bulb | Thomas Alva Edison | 1879 | US223,898 |
Inductor (Induction Coil) | Michael Faraday | 1831 |
|
Integrated Circuit (Microchip) | Jack Kilby
Robert Noyce | 1961
1961 | US3,138,743
US2,981,877 |
J |
Joule's Law | James Prescott Joule | 1840 |
|
K |
Kirchhoff's Laws | Gustav Kirchhoff | 1845 |
|
Klystron Tube | Russell Varian &
Sigurd Varian &
William Hansen | 1937
1937
1937 |
|
L |
Lenz's Law | Heinrich Friedrich Emil Lenz | 1834 |
|
Leyden Jar | Pieter van Musschenbroek | 1746 |
|
Lightning Rod | Benjamin Franklin | 1752 |
|
Liquid Crystal Display (LCD) | James Fergason | 1970 | US3,731,986 |
Logic Gate | Charles Babbage
Almon Strowger
Nikola Tesla | 1837
1891
1898 |
US447,918
US613,809 |
Lorentz Force Law | Hendrik Antoon Lorentz |
|
|
Loudspeaker | Ernst Siemens
Sir Oliver Joseph Lodge | 1877
1898 | GB4685
Ger2355
GB9712 |
M |
Magnet (Lodestones) | Ancient Greece | 600 BC |
|
Magneto Ignition | Robert Bosch | 1898 |
|
Magnetohydrodynamics | Hannes Alfvén | 1970 |
|
Magnetostriction | James Prescott Joule | 1842 |
|
Maximum Power Theorem | Moritz von Jacobi | 1839 |
|
Maxwell's Equations | James Clerk Maxwell | 1865 |
|
Meissner Effect | Walter Meissner
Robert Ochsenfeld | 1933 |
|
Microphone | Emile Berliner | 1877 | US224,573 |
Microwave Oven | Percy LaBaron Spencer | 1945 | US2,495,429 |
Morse Code | Samuel Morse | 1840 | US1,647 |
N |
Neon Lamp | Georges Claude | 1910 | US1,125,476 |
O |
Ohm's Law | Georg Simon Ohm | 1827 |
|
Operational Amplifier |
|
|
|
Oudin Coil | Paul Marie Oudin
Jacques d'Arsonval | 1898
1898 |
|
P |
Pager | Al Gross | 1949 |
|
Paramagnetism | Pierre Curie | 1895 |
|
Phonograph | Thomas Alva Edison | 1877 | US200,521 |
Photoelectric Effect | Alexandre Edmond Becquerel | 1839 |
|
Photoresistor |
|
|
|
Photovoltaic Cell (Solar Cell) | Russell Ohl | 1946 | US2,402,662 |
Piezoelectricity | Pierre Curie
Jacques Curie | 1880 |
|
Potentiometer (Rheostat) | Sir Charles Wheatstone | 1840 |
|
Push-Pull Amplifier | Edwin H. Colpitts | 1912 |
|
Pyroelectricity | Theophrastus | 314 BC |
|
R |
Radar (RAdio Detection and Ranging) | Christian Huelsmeyer | 1904 | US810,150 |
Radio | Guglielmo Marconi | 1901 | GB12039
GB7777
US763,772 |
Radio Telescope | Grote Reber | 1937 |
|
Radio Waves (RF) | James Clerk Maxwell | 1865 |
|
Regenerative Circuit | Edwin Armstrong | 1914 | US1,113,149 |
Relay | Joseph Henry | 1835 |
|
Remote Control | Nikola Tesla | 1898 | US613,809 |
Resistance | Georg Simon Ohm | 1827 |
|
Resistor |
|
|
|
S |
Schottky Diode | Walter H. Schottky | 1938 |
|
Semiconductor | Russell S. Ohl | 1940 |
|
Silicon | Antoine Lavoisier | 1787 |
|
Silicon-Controlled Rectifier (SCR) | General Electric (GE) | 1958 |
|
SI Electricity/Magnetism Units | 11th General Conference on Weights and Measures | 1960 |
|
Solar Cell (Silicon) | Russell Ohl | 1941 | US2,402,662 |
Spark Plug | Nikola Tesla
Richard Simms
Robert Bosch | 1898
1898
1898 | US609,250
GB24859
GB26907 |
Special Relativity for Beginners
Special Relativity | Albert Einstein | 1905 |
|
Superconductivity | Heike Kamerlingh Onnes | 1911 |
|
T |
Tape Recorder (magnetic) | Semi Joseph Begun | 1934 | US2,048,487
US2,048,488 |
Telegraph | Samuel Morse | 1838 | US1,647 |
Telephone | Alexander Graham Bell | 1876 | US174,465 |
Telephone Switching System (Telephone Exchange) | Almon Strowger | 1889 | US447,918 |
Television | Vladimir Kosma Zworykin
John Logie Baird
Philo Taylor Farnsworth | 1923
1924
1927 | US2,141,059
US1,773,980 |
Tesla Coil | Nikola Tesla | 1891 | US454,622
US514,168 |
Thermistor | Samuel Ruben | 1930 | US2,021,49 |
Thermoelectricity | Thomas Johann Seebeck
Jean Peltier | 1821
1834 |
|
Torsion Balance | John Michell
Charles-Augustin de Coulomb | 1750
1777 |
|
Touch Screen Technology | Sam Hurst | 1974 | US3,662,105
US3,798,370 |
Transistor (Bipolar Junction Transistor - BJT) | John Bardeen &
William Shockley &
Walter Brattain | 1947 | US2,524,035
US2,569,347 |
Transistor Radio | Richard C. Koch (Industrial Development Engineering Associates) | 1955 | US2,892,931 |
Transformer | William Stanley | 1886 | US349,611 |
Triac (TRIode for Alternating Current) | General Electric (GE) | 1960s |
|
Triboelectric Effect | Thales of Miletus | 600 BC |
|
Tunnel Diode (Esaki) | Leo Esaki (Sony) | 1958 | US4,198,644 |
V |
Vacuum | Galileo Galilei
Evangelista Torricelli
Blaise Pascal | 1594
1643
1647 |
|
Vacuum Tube (Audion, Triode) | Lee De Forest | 1906 | US879,532 |
Van de Graaf Generator | Robert Jemison Van de Graaff | 1929 | US1,991,236 |
Very Large Scale Integrated Circuits (VLSI) | Carver Mead | 1969 |
|
Video Cassette Recorder (VCR) | Sony | 1971 |
|
W |
Walkie Talkie | Al Gross
Henryk Magnuski | 1938
1940 |
|
Walkman | RCA / Sony | 1979 |
|
Wheatstone Bridge | Samuel Hunter Christie
Sir Charles Wheatstone | 1833
1843 |
|
WiTricity | Marin Soljačić | 2007 |
|
X |
X-rays | Wilhelm Conrad Rontgen | 1895 |
|
X-ray Tube | Wilhelm Roengten | 1895 |
|
Y |
Yagi-Uda Antenna | Shintaro Uda | 1926 |
|
Z |
Zener Diode | Clarence Melvin Zener | 1915 |
|
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