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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.
Snelling's work with "wild gas" became the basis for a patent critical to Snelling's next venture, development of a commercial method to produce liquefied petroleum gas, mostly propane. [9] By the end of 1911, Snelling had established contact with Frank P. Peterson, Chester Kerr, and Arthur Kerr, who were actively researching natural gas.
Ruud was issued his patent for the coiled tube Automatic Water Heater on September 6, 1898. [17] A 1915 diagram showing the innards of a Ruud instantaneous water heater. Ruud's business expanded as he popularized and improved on his instant water heater design. In 1908, Ruud Manufacturing acquired two local heating and plumbing firms.
Below is a list of Edison patents. Thomas Edison was an inventor who accumulated 2,332 [ 1 ] patents worldwide for his inventions . 1,093 of Edison's patents were in the United States , but other patents were approved in countries around the globe.
Thomas Midgley Jr. (May 18, 1889 – November 2, 1944) was an American mechanical and chemical engineer.He played a major role in developing leaded gasoline (tetraethyl lead) and some of the first chlorofluorocarbons (CFCs), better known in the United States by the brand name Freon; both products were later banned from common use due to their harmful impact on human health and the environment.
Herbert Akroyd Stuart (1864–1927) – Inventor of the hot bulb heavy oil engine. Herbert Akroyd-Stuart (28 January 1864 – 19 February 1927) was an English inventor who is noted for his invention of the hot bulb engine, or heavy oil engine.
GB 446060 (A), 1936, Improvements in or relating to steam power plants comprising feedwater heaters and hot-water accumulators; GB 446061 (A), 1936, Improvements in or relating to steam plants including hot-water accumulators; GB 522279 (A), 1940, Improvements in or relating to plant for operating fireless locomotives
Wikipedia entry for Google Patents.Google Patents is a search engine from Google that indexes patents and patent applications from the United States Patent and Trademark Office.