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This list of African-American inventors and scientists documents many of the African-Americans who have invented a multitude of items or made discoveries in the course of their lives. These have ranged from practical everyday devices to applications and scientific discoveries in diverse fields, including physics, biology, math, and medicine.
In electrical engineering, a limit switch is a switch operated by the motion of a machine part or the presence of an object. A limit switch can be used for controlling machinery as part of a control system , as a safety interlock , or as a counter enumerating objects passing a point.
Philip was born in Providence, Rhode Island to George Thomas Downing (1819-1903) and Serena L. Degrasse (1823-1893). [1] Thomas was a prominent businessman and abolitionist and Serena was from New York. [1]
William B. Purvis (12 August 1838 – 10 August 1914) [1] was an African-American inventor and businessman who received multiple patents in the late 19th-century. His inventions included improvements on paper bags, an updated fountain pen design, improvement to the hand stamp, and a close-conduit electric railway system.
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In 2019, the National Society of Black Physicists honored Parker as an "African American inventor famous for her patented system of central heating using natural gas." It called her invention a "revolutionary idea" for the 1920s, "that conserved energy and paved the way for the central heating systems". [ 6 ]
A more extensive list of prolific inventors with additional information and ability to filter on country, gender, time period, patent type, and Nobel laureate title can be found at idiyas.com /top /inventors. There are some discrepancies with this article due to different inventor queries that attempt to account for data issues such as typos ...
Henry Thomas Sampson Jr. (April 22, 1934 – June 4, 2015) was an American engineer, inventor and film historian [1] who created the gamma-electric cell in 1971 — a device with the main goal of generating auxiliary power from the shielding of a nuclear reactor.
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