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Alexander Miles (May 18, 1838 – May 7, 1918) was an African American inventor and businessman, known for being awarded a patent for automatically opening and closing elevator doors. He was awarded U.S. patent 371,207 on October 11, 1887.
In 1887, American inventor Alexander Miles of Duluth, Minnesota, patented an elevator with automatic doors that closed off the elevator shaft when the car was not being entered or exited. In 1891, American inventors Joseph Kelly and William L. Woods co-patented a novel way to guard elevator shafts against accident, by way of hatches that would ...
Inventor Miles, Alexander: 1838–1918 Inventor Invented electric elevator doors that automatically open and close [146] Montgomery, Benjamin: 1819–1877 Inventor Designed a steam operated propeller to provide propulsion to boats in shallow water Moore, Willie Hobbs: 1934–1994 Physicist
Engineering career. Projects. Elevators. Elisha Graves Otis (August 3, 1811 – April 8, 1861) was an American industrialist and founder of the Otis Elevator Company. [1] In 1853, he invented a safety device that prevents elevators from falling if the hoisting cable fails. [2][3]
As of 2020, 603 inventors have been inducted, mostly constituting historic persons from the past three centuries, but including about 100 living inductees. [1] Nominees must hold a U.S. patent of significant contribution to the U.S. welfare, and which advances science and useful arts. [2]
Richard Bowie Spikes (October 2, 1878 – January 22, 1963) was an African-American inventor.The holder of a number of United States patents, his improvements on existing inventions include a beer tap, automobile directional signals, an automatic gear shift device based on automatic transmission for automobiles and other motor vehicles and a safety braking system for trucks and buses.
Alexander Miles (1838–1918), U.S. – system for automatically opening and closing elevator doors David L. Mills (born 1938), U.S. – Fuzzball router , Network Time Protocol Marvin Minsky (1927–2016), U.S. – Confocal microscopy
Electrical engineering. Frank Julian Sprague (July 25, 1857 – October 25, 1934) was an American inventor who contributed to the development of the electric motor, electric railways, and electric elevators. His contributions were especially important in promoting urban development by increasing the size cities could reasonably attain (through ...