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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.
Frederick McKinley Jones (May 17, 1893 – February 21, 1961) was an American inventor, entrepreneur, engineer, winner of the National Medal of Technology, and an inductee of the National Inventors Hall of Fame. [1]
Gustav de Laval (1845–1913), Sweden – invented the milk separator and the milking machine; Semyon Lavochkin (1900–1960), Russia – La-series aircraft, first operational surface-to-air missile S-25 Berkut; John Bennet Lawes (1814–1900), UK – superphosphate or chemical fertilizer; Ernest Orlando Lawrence (1901–1958), U.S. – Cyclotron
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The latter algorithm is a procedure for finding integers x and y satisfying the condition ax + by = gcd(a, b). [220] Preliminary differentiation – Preliminary concept of differentiation and the differential coefficient were known to bhaskaracharya [221]
La música en la Iglesia de Castilla y León (Music of the Catholic Church in Castile and León) Cathedral of Saint Mary: León: 1991–1992 4: El contrapunto y su morada (The counterpoint and its dwelling) Old Cathedral of Saint Mary and New Cathedral of the Assumption of the Virgin: Salamanca: 1993–1994 5: Flandes y Castilla y León
The Four Great Inventions are inventions from ancient China that are celebrated in Chinese culture for their historical significance and as symbols of ancient China's advanced science and technology.
Roberval Balance by Gilles de Roberval in 1669. [66] Réaumur scale by René Antoine Ferchault de Réaumur in 1730. [67] Pitot tube by Henri Pitot in 1732 [68] and modified to its modern form in the mid-19th century by Henry Darcy. [69] Comparison of De Moivre's approximation with the factorial; the formula is now known as Stirling's approximation.