|
| US5015161 | 6 Jun 1989 | 14 May 1991 | Ford Motor Company | Multiple stage orbiting ring rotary compressor |
| US5135368 | 13 May 1991 | 4 Ago 1992 | Ford Motor Company | Multiple stage orbiting ring rotary compressor |
| US5236318 | 18 Oct 1991 | 17 Ago 1993 | Tecumseh Products Company | Orbiting rotary compressor with adjustable eccentric |
| US5302095 | 14 Ago 1992 | 12 Abr 1994 | Tecumseh Products Company | Orbiting rotary compressor with orbiting piston axial and radial compliance |
| US5383773 | 12 Ene 1994 | 24 Ene 1995 | Tecumseh Products Company | Orbiting rotary compressor having axial and radial compliance |
| US6241493 | 17 Ago 1999 | 5 Jun 2001 | Spherical Machines, Inc. | Spherical fluid machine with control mechanism |
| US7214045 | 8 Mar 2001 | 8 May 2007 | Spherical Machines, Inc. | Spherical fluid machine with flow control mechanism |
| US7478619 | 8 Abr 2003 | 20 Ene 2009 | | Rotary engine for motor vehicles with very low consumption and pollution rate |
