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Under the Patent Act of 1793, the United States barred foreign inventors from receiving patents at the same time as granting patents to Americans who had pirated technology from other countries. “America thus became, by national policy and legislative act, the world’s premier legal sanctuary for industrial pirates.
In 1641, Samuel Winslow was granted the first patent in North America by the Massachusetts General Court for a new process for making potash salt. [ 19 ] Towards the end of the 18th century, and influenced by the philosophy of John Locke , the granting of patents began to be viewed as a form of intellectual property right, rather than simply ...
The Patent Act of 1836 (Ch. 357, 5 Stat. 117) further clarified United States patent law to the extent of establishing a patent office where patent applications are filed, processed, and granted, contingent upon the language and scope of the claimant's invention, for a patent term of 14 years with an extension of up to an additional 7 years. [6]
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.
In 1641, Samuel Winslow was granted the first patent in North America by the Massachusetts General Court for a new process for making salt. [18] The modern French patent system was created during the Revolution in 1791. [19] Patents were granted without examination since inventor's right was considered as a natural one.
A sampling of U.S. patents for inventions by George Westinghouse. Many of the same inventions were also patented in foreign countries, including Austria, Australia, Canada, Denmark, France, Germany, Great Britain, Spain, and Switzerland. Many other patents were filed in the names of his companies or various of his engineers.
The key patent for this light source, U.S. patent #2,259,040 was filed by Inman on April 22, 1936, and issued to him on October 14, 1941. [269] In 1976, Edward E. Hammer invented the first helical or spiraled compact fluorescent lamp, but due to the difficulty of the manufacturing process for coating the interior of the spiral glass tube ...
This statute allows the US government to override patent protection (or contract another entity to do so) for public-use purposes. The patent owner can sue for limited compensation. [36] Invention Secrecy Act (1951) Patent Act of 1790, First Patent Act - April 7, 1790; Patent Act of 1836; Patent Act of 1870; Patent Act of 1952; Patent Reform ...