Air conditioning
Patents and Inventions
Invented by Willis Haviland Carrier in 1902 (US patent No. 808,897).

Air conditioning was invented by Willis Haviland Carrier (United States) in 1902 (US patent No. 808,897).

Title Primary Class Description Inventor Assignee Issue Date Patent No.
Improved Process for the Artificial Production of Ice 62/66;
A01H 5/02 (20060101)
Ice-making machine John Gorrie
May 6, 1851 US8,080
Humidifier or Air Moistening Apparatus 261/16 An apparatus to add moisture to Cramer's textile mill in order to make textiles easier to process. Cramer also coined the term "air conditioning". Stuart W. Cramer
December 20, 1904 US778,172
Apparatus for Treating Air 96/356 The world's first spray-type air conditioning equipment. It was designed to humidify or dehumidify air, heating water and cooling. Willis H. Carrier Buffalo Forge Company January 2, 1906 US808,897
Method of Humidifying and Controlling the Humidity and Temperature Thereof 236/44C Air conditioning system with dew-point control Willis H. Carrier Buffalo Forge Company February 3, 1914 US1,085,971
Air conditioner for vehicles 62/151 Vehicle air-conditioning system: the Thermo King. Joseph A. Numero; Frederick M. Jones Thermo Control Company December 1, 1942 US2,303,857

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