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  2. Thomas Edison - Wikipedia

    en.wikipedia.org/wiki/Thomas_Edison

    Subsequent scientists studied, applied, and eventually evolved the bulbs into vacuum tubes, a core component of early analog and digital electronics of the 20th century. [ 56 ] U.S. Patent #223898: Electric-Lamp, issued January 27, 1880 The Oregon Railroad and Navigation Company 's new steamship, the Columbia , was the first commercial ...

  3. Joseph Swan - Wikipedia

    en.wikipedia.org/wiki/Joseph_Swan

    Sir Joseph Wilson Swan FRS (31 October 1828 – 27 May 1914) was an English physicist, chemist, and inventor.He is known as an independent early developer of a successful incandescent light bulb, and is the person responsible for developing and supplying the first incandescent lights used to illuminate homes and public buildings, including the Savoy Theatre, London, in 1881.

  4. Henry Woodward (inventor) - Wikipedia

    en.wikipedia.org/wiki/Henry_Woodward_(inventor)

    On July 24, 1874, Woodward and his partner, Mathew Evans, a hotel keeper, filed a Canadian patent application on an electric light bulb. [2] [3] It was granted on August 3, 1874, as Canadian patent number 3,738. [4] Woodward was a medical student at the time. Their light bulb comprised a glass tube with a large piece of carbon connected to two ...

  5. Lewis Howard Latimer - Wikipedia

    en.wikipedia.org/wiki/Lewis_Howard_Latimer

    Lewis Howard Latimer (September 4, 1848 – December 11, 1928) was an American inventor and patent draftsman. His inventions included an evaporative air conditioner, an improved process for manufacturing carbon filaments for light bulbs, and an improved toilet system for railroad cars.

  6. Warren De la Rue - Wikipedia

    en.wikipedia.org/wiki/Warren_De_la_Rue

    In 1840, he enclosed a platinum coil in a vacuum tube and passed an electric current through it, [8] thus creating one of the world's first electric light bulbs. [ 9 ] [ 10 ] The design was based on the concept that the high melting point of platinum would allow it to operate at high temperatures and that the evacuated chamber would contain ...

  7. Heinrich Göbel - Wikipedia

    en.wikipedia.org/wiki/Heinrich_Göbel

    In January 1893 Franklin Pope wrote an article published on the head page of the Electrical Engineer titled The Carbon Filament Lamp of 1859—The Story of an Overlooked Invention. [16] In this article Franklin Pope credited the invention of the practical incandescent light bulb to Henry Goebel.

  8. Marvin Pipkin - Wikipedia

    en.wikipedia.org/wiki/Marvin_Pipkin

    [14] [15] [16] He went on to make many innovations to the light bulb and two decades later developed the soft white light bulb. [21] Pipkin in 1947 invented an improved version of the process with silica coating that replaced the internal acid etching process. [22] The 1947 internal silica coating was used for 30 years and had the trade name "Q ...

  9. Alexander Lodygin - Wikipedia

    en.wikipedia.org/wiki/Alexander_Lodygin

    1890s: He invented a few types of filament lamps with metallic filaments; some say he was the first scientist to use a tungsten filament. He got a patent for lamps with tungsten filaments (US Patent No. 575,002 Illuminant for Incandescent Lamps , Application on 4 January 1893) [ 1 ] and sold it to General Electric (1906), [ citation needed ...