07777357 is referenced by
9 patents and cites 56 patents.
An engine includes a cylinder having two ends, a piston slidably disposed in the cylinder and a converter operable with the piston to convert mechanical energy of the piston from and to electrical energy.
Free piston electromagnetic engine
October 5, 2007
August 17, 2010
Victoria Y H Wood Livermore CA, US Lowell L Wood Jr Bellevue WA, US Charles Whitmer North Bend WA, US Thomas A Weaver San Mateo CA, US Clarence T Tegreene Bellevue WA, US Nathan P Myhrvold Medina WA, US Jordin T Kare Seattle WA, US Muriel Y Ishikawa Livermore CA, US William H Gates III Redmond WA, US Roderick A Hyde Redmond WA, US
The Invention Fund I WA, US