Josef Hofmann

po_Hofmann-JosefJosef Casimir Hofmann (originally Józef Kazimierz Hofmann; January 20, 1876 – February 16, 1957) was a Polish-American virtuoso pianist, composer, music teacher, and inventor.

As an inventor, Hofmann had over 70 patents, and his invention of pneumatic shock absorbers for cars and airplanes was commercially successful from 1905 to 1928. Other inventions included a windscreen wiper, a furnace that burned crude oil, a house that revolved with the sun, a device to record dynamics (U.S. patent number 1614984) in reproducing piano rolls that he perfected just as the roll companies went out of business, and piano action improvements adopted by the Steinway Company (U.S. patent number 2263088).