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The timeline of historic inventions is a chronological list of particularly significant technological inventions and their inventors, where known. [ a ] The dates in this article make frequent use of the units mya and kya , which refer to millions and thousands of years ago, respectively.
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.
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.
499: Aryabhata creates a particularly accurate eclipse chart. As an example of its accuracy, 18th century scientist Guillaume Le Gentil , during a visit to Pondicherry, India, found the Indian computations (based on Aryabhata's computational paradigm) of the duration of the lunar eclipse of 30 August 1765 to be short by 41 seconds, whereas his ...
[188] [189] Later, the 6th-century astronomer Varahamihira discovered a few basic trigonometric formulas and identities, such as sin^2(x) + cos^2(x) = 1. [ 190 ] Mean value theorem – A special case of this theorem for inverse interpolation of the sine was first described by Parameshvara (1380–1460), from the Kerala School of Astronomy and ...
The automobile in American history and culture: a reference guide (Greenwood, 2001). Condit, Carl W. The railroad and the city: a technological and urbanistic history of Cincinnati (The Ohio State University Press, 1977) online. Eckermann, Erik. World history of the automobile (SAE International, 2001). Gkoumas, Konstantinos, and Anastasios ...
Details of the earlier versions may be found in the page's history. Please help Wikipedia to rebuild the article properly. Please help Wikipedia to rebuild the article properly. The following timeline tables list the discoveries and inventions in the history of electrical and electronic engineering .
A timeline of United States inventions (after 1991) encompasses the ingenuity and innovative advancements of the United States within a historical context, dating from the Contemporary era to the present day, which have been achieved by inventors who are either native-born or naturalized citizens of the United States.