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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 electric light bulbs, and an improved toilet system for railroad cars.
Worked as a draftsman for both Alexander Graham Bell and Thomas Edison; invented the more durable filament, which made the incandescent light bulb last long enough to be useful; became a member of Edison's Pioneers and served as an expert witness in many light bulb litigation lawsuits; said to have invented the water closet. [127] [128] [129] [130]
Matthew Evans is one of two Canadians who developed and patented an incandescent light bulb, on July 24, 1874, five years before Thomas Alva Edison's U.S. patent on the device. Evans, from Toronto, Ontario, and his friend Henry Woodward, made the light bulb by sending electricity through a filament made of carbon. Evans was a hotelier.
In the 1960s, US inventor Robert (Bob) Kyp patented a similar in appearance but flickering "electric flame" light bulb under the name Balafire [6] as well as radiometers. His flicker bulb was used in a 7-Up commercial, [7] and the company he ran since 1964, Kyp-Go, is currently the only US manufacturer of carbon-filament bulbs. [8]
His light bulbs are on display in the museum of the Château de Blois. [a] In 1859, Moses G. Farmer built an electric incandescent light bulb using a platinum filament. [24] Thomas Edison later saw one of these bulbs in a shop in Boston, and asked Farmer for advice on the electric light business. Alexander Lodygin on 1951 Soviet postal stamp
Filament for electric light bulb [292] 2006 Lewis Miller: 1829 Combine harvester [293] 2006 Lewis Waterman: 1837 Fountain pen [294] 2006 Linus Yale Jr. 1821 Cylinder lock [295] 2006 Louis Renault: 1877 Drum brake [296] 2006 Margaret E. Knight: 1838 Paper bag machine [297] 2006 Martha Coston: 1826 Signal flare used for ships [298] 2006 Mary ...
The pendant light at Fire Station #6 in which the bulb is installed. The Centennial Light was originally a 60-watt bulb, but has since dimmed significantly and is now as bright as a 4-watt bulb. [7] [8] [9] The hand-blown, carbon-filament common light bulb was invented by Adolphe Chaillet, a French engineer who filed a patent for this socket ...
The modest success of the Moore tubes was among the drivers for developing better filaments for standard incandescent light bulbs. Tungsten filament bulbs were a sufficient enough improvement over carbon filaments that the Moore tubes "gradually disappeared from the market, leaving only short carbon-dioxide tubes in use for color matching, in ...