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The 100 known most prolific inventors based on worldwide utility patents are shown in the following table. While in many cases this is the number of utility patents granted by the United States Patent and Trademark Office, it may include utility patents granted by other countries, as noted by the source references for an inventor.
The National Inventors Hall of Fame is an American not-for-profit organization, founded in 1973, which recognizes individual engineers and inventors who hold a U.S. patent of significant technology. As of 2020, 603 inventors have been inducted, mostly constituting historic persons from the past three centuries, but including about 100 living ...
Amos Edward Joel Jr. (1918–2008) U.S. – electrical engineer, known for several contributions and over seventy patents related to telecommunications switching systems Carl Edvard Johansson (1864–1943), Sweden – Gauge blocks
Cruise control automatically controls the rate of motion of a motor vehicle. The driver sets the speed and the system will take over the throttle of the car to maintain the same speed. Cruise control was invented in 1945 by a blind inventor and mechanical engineer named Ralph Teetor. His idea was born out of the frustration of riding in a car ...
Patent Office Head [1] Began service: Ended service: Commissioners for the Promotion of Useful Arts or Patent Board [2] Edmund Randolph Henry Knox Thomas Jefferson: 1790: 1793 Secretary of State [3] [2] Edmund Randolph: 1794: 1795 Timothy Pickering: 1795: May 12, 1800 John Marshall: May 13, 1800: March 4, 1801 James Madison: March 5, 1801: 1802 ...
– Italian mechanical engineer and founder of a patent protection office in Milan in 1925. Agostino Ramelli (c. 1531–1600) – inventor of the bookwheel as well as various water-powered inventions (clockwork, treadmill, pump) John Ramsbottom (1814–1897) – inventor of the tamper-proof spring safety valve and the displacement lubricator
For a list of notable inventors, see list of inventors. For a list of notable patent attorneys, see list of patent attorneys and agents. For a list of notable patent examiners and clerks, see patent examiner. Although this list is not intended to include inventors, patent attorneys and patent clerks, those may also be inserted in this list if ...
Nikola Tesla was an inventor who obtained around 300 patents [1] worldwide for his inventions. Some of Tesla's patents are not accounted for, and various sources have discovered some that have lain hidden in patent archives. There are a minimum of 278 patents [1] issued to Tesla in 26 countries
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