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  2. George B. Grant - Wikipedia

    en.wikipedia.org/wiki/George_B._Grant

    George Barnard Grant (December 21, 1849 – August 16, 1917) was an American mechanical engineer, inventor, entrepreneur and botanist. [1] He is notable for having made important contributions to 19th-century mechanical calculators, for pioneering new techniques in gear making, and for starting several successful companies.

  3. Timeline of United States inventions (before 1890) - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_United_States...

    Official credit for the invention of the electric trolley pole has gone to an American, Frank J. Sprague, who devised his working system in Richmond, Virginia, in 1888. [270] Known as the Richmond Union Passenger Railway , this 12-mile system was the first large-scale trolley line in the world, opening to great fanfare on February 12, 1888.

  4. List of mechanical engineers - Wikipedia

    en.wikipedia.org/wiki/List_of_mechanical_engineers

    Nikola Tesla (1856–1943) – Serbian electrical and mechanical engineer contributing to the development of AC motors and power delivery; Torine Torines (1876–1944) – pioneer Swedish sewing machine mechanic engineer; John Tregoning (1840s–1920s) – American mechanical engineer, who wrote the first books on factory management

  5. Timeline of United States inventions (1890–1945) - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_United_States...

    Whitcomb L. Judson was an American mechanical engineer from Chicago who was the first to invent, conceive of the idea, and to construct a workable zipper. [35] Using a hook-and-eye device, Judson intended for this earliest form of the zipper to be used on shoes.

  6. Category:American inventions - Wikipedia

    en.wikipedia.org/wiki/Category:American_inventions

    A. Gas centrifuge; A Manufacturing Language; Abel Axe; Aberdeen chronograph; Abraham Lincoln's patent; Acrylic paint; Active Denial System; Active pen; Active-pixel sensor

  7. Walter Hunt (inventor) - Wikipedia

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

    Walter Hunt (July 29, 1796 – June 8, 1859) was an American mechanical engineer.Through the course of his work he became known for being a prolific inventor.He first became involved with mechanical innovations in a linseed producing community in New York state that had flax mills.

  8. Granville Woods - Wikipedia

    en.wikipedia.org/wiki/Granville_Woods

    Granville Tailer Woods (April 23, 1856 – January 30, 1910) was an American inventor who held more than 50 patents in the United States. [1] He was the first African American mechanical and electrical engineer after the Civil War. [2] Self-taught, he concentrated most of his work on trains and streetcars.

  9. List of inventors - Wikipedia

    en.wikipedia.org/wiki/List_of_inventors

    Jerome H. Lemelson (1923–1997), U.S. – inventions in the fields in which he patented make possible, wholly or in part, innovations like automated warehouses, industrial robots, cordless telephones, fax machines, videocassette recorders, camcorders, and the magnetic tape drive used in Sony's Walkman tape players.