TOP FIVE INVENTORS
1,093 PATENTS Thomas Alva Edison Light bulb, phonograph, motion picture, mimeograph, pneumatic stencil pen
925 PATENTS Melvin De Groote Method to separate crude oil from water, process that adheres chocolate to vanilla ice cream
894 PATENTS Francis H. Richards Golf-ball-molding machine, air-cushion door spring, high-speed envelope machine
696 PATENTS Elihu Thomson Electrically operated pipe organ, cream separator, electric welding
554 PATENTS Jerome Lemelson Bar-code reader, computer-controlled tourniquet, audiocassette-drive mechanism, magnetic-recording system
COMPANIES WITH MOST PATENTS IN 20th CENTURY
General Electric 50,837 --Electric fan (1902) --X-ray tube (1913) --First U.S. jet engine (1941) --Solid-state laser (1962) --Computed tomography, a.k.a....
