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The Einstein–Szilard or Einstein refrigerator is an absorption refrigerator which has no moving parts, operates at constant pressure, and requires only a heat source to operate. It was jointly invented in 1926 by Albert Einstein and his former student Leó Szilárd , who patented it in the U.S. on November 11, 1930 ( U.S. patent 1,781,541 ).
1995 – Eric Cornell and Carl Wieman create the first [17] Bose–Einstein condensate, using a dilute gas of Rubidium-87 cooled to 170 nK. They won the Nobel Prize for Physics in 2001 for BEC. 1999 – D.J. Cousins and others, dilution refrigerator reaching 1.75 mK
In 1926, Einstein and his former student Leó Szilárd co-invented (and in 1930, patented) the Einstein refrigerator. This absorption refrigerator was then revolutionary for having no moving parts and using only heat as an input. [303] On 11 November 1930, U.S. patent 1,781,541 was awarded
GB 190022906 (A), 1901, Improvements in valves for use in compound locomotives and other compound engines; GB 190504645 (A), 1905, Improvements relating to the working of compound engines and in regulator valves therefor; GB 190516372 (A), 1906, Improvements in valve gear for locomotives or similar coupled steam engines
The Einstein refrigerator is invented by Albert Einstein and Leo Szilard. Ulster-born engineer Harry Ferguson is granted a British patent for his 'Duplex' hitch linking tractor and plough. German engineer Andreas Stihl patents and develops an electric chainsaw. [21]
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.
It was Stanford that applied for and was granted the patent. Google licensed the rights from Stanford." Page is the chief executive officer and co-founder of Google Inc.
U.S. patent 2,475,843 was issued on July 12, 1949 – Means operated by a starter generator for cooling a gas engine. U.S. patent 2,477,377 was issued on July 26, 1949 – Means for thermostatically operating gas engines. U.S. patent 2,504,841 was issued on April 18, 1950 – Rotary compressor.