F02G 2250/24
Ringbom engines, the displacement of the free displacer being obtained by expansion
Official title: Ringbom engines, the displacement of the free displacer being obtained by expansion of the heated gas and the weight of the piston
F02G2250/24 (Ringbom engines, the displacement of the free displacer being obtained by expansion) appears on 6 US grants and 1 published applications in this corpus.
Search patents in F02G- Granted patents
- 6
- Published applications
- 1
- Assignees
- 3
- Inventors
- 20
- Latest grant
- 18 Apr 2006
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Hot-gas engine18 Apr 2006US 7,028,473 B2
- Premixed charge compression ignition engine with optimal combustion control21 Aug 2001US 6,276,334 B1Cummins Engine Company, Inc.
- Fluid displacement apparatus and method23 May 2000US 6,065,289 AQuiet Revolution Motor Company, L.L.C.
- Hot-gas engine electric heater20 Oct 1998US 5,822,964 A
- Apparatus and method for the speed or power control of stirling type machines15 Aug 1989US 4,856,280 AStirling Technology Company
Most cited
By later US patents
- Premixed charge compression ignition engine with optimal combustion control196US 6,276,334 B1Cummins Engine Company, Inc. · 2001
- Fluid displacement apparatus and method28US 6,065,289 AQuiet Revolution Motor Company, L.L.C. · 2000
- Hot-gas engine electric heater14US 5,822,964 A1998
- Stirling engine or heat pump having an improved seal13US 4,532,766 A1985
- Apparatus and method for the speed or power control of stirling type machines10US 4,856,280 AStirling Technology Company · 1989