F02G 2243/00
Stirling type engines having closed regenerative thermodynamic cycles with flow controlled by
Official title: Stirling type engines having closed regenerative thermodynamic cycles with flow controlled by volume changes
F02G2243/00 (Stirling type engines having closed regenerative thermodynamic cycles with flow controlled by) appears on 462 US grants and 265 published applications in this corpus.
Search patents in F02G- Granted patents
- 462
- Published applications
- 265
- Assignees
- 187
- Inventors
- 601
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 8 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 9 | 0 |
| 1987 | 9 | 0 |
| 1988 | 12 | 0 |
| 1989 | 10 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 8 | 0 |
| 1993 | 5 | 0 |
| 1994 | 10 | 0 |
| 1995 | 11 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 10 | 0 |
| 2000 | 15 | 0 |
| 2001 | 23 | 7 |
| 2002 | 19 | 15 |
| 2003 | 25 | 18 |
| 2004 | 15 | 19 |
| 2005 | 9 | 9 |
| 2006 | 16 | 7 |
| 2007 | 7 | 6 |
| 2008 | 11 | 16 |
| 2009 | 4 | 5 |
| 2010 | 6 | 9 |
| 2011 | 7 | 16 |
| 2012 | 5 | 9 |
| 2013 | 9 | 9 |
| 2014 | 10 | 7 |
| 2015 | 11 | 7 |
| 2016 | 6 | 15 |
| 2017 | 13 | 9 |
| 2018 | 9 | 12 |
| 2019 | 12 | 11 |
| 2020 | 19 | 18 |
| 2021 | 16 | 10 |
| 2022 | 17 | 13 |
| 2023 | 9 | 9 |
| 2024 | 13 | 4 |
| 2025 | 4 | 4 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Maximum delivery adiabatic hot-air engine9 Jun 2026US 12,650,097 B1
- Engine displacer with regenerator channels4 Nov 2025US 12,460,600 B2Ekstera Inc.
- Systems for generating geothermal power in an organic Rankine cycle operation during hydrocarbon production based on working fluid temperature12 Aug 2025US 12,385,474 B2ICE Thermal Harvesting, LLC
- Stirling engine29 Jul 2025US 12,372,043 B2Yanmar Holdings Co., Ltd.
- Heat-assisted pumping systems for use in negative pressure wound therapy7 Jan 2025US 12,186,166 B2Smith & Nephew, Inc.
- Enhancement of the thermoacoustic effect8 Jan 2026US 2026/0009596 A1Technion Research & Development Foundation Limited
- Engine displacer with regenerator channels2 Oct 2025US 2025/0305468 A1Ekstera Inc.
- Acoustic power modulation in a thermoacoustic machine6 Mar 2025US 2025/0075948 A1Equium Groupe
- Stirling engine6 Feb 2025US 2025/0043747 A1Yanmar Holdings Co., Ltd.
- A system and a method for controlling the power output of a stirling engine30 Jan 2025US 2025/0035066 A1EnergyIntel Services Ltd.
Most cited
By later US patents
- Electroactive polymer devices1,577US 6,545,384 B1SRI International · 2003
- Electroactive polymer electrodes1,515US 6,583,533 B2SRI International · 2003
- Electroactive polymer electrodes248US 6,376,971 B1SRI International · 2002
- Electroactive polymers213US 6,812,624 B1SRI International · 2004
- Biologically powered electroactive polymer generators212US 6,768,246 B2SRI International · 2004