F02G 2243/30
Stirling type engines having closed regenerative thermodynamic cycles with flow controlled by
Official title: having their pistons and displacers each in separate cylinders
F02G2243/30 (Stirling type engines having closed regenerative thermodynamic cycles with flow controlled by) appears on 271 US grants and 161 published applications in this corpus.
Search patents in F02G- Granted patents
- 271
- Published applications
- 161
- Assignees
- 130
- Inventors
- 359
- Latest grant
- 7 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 6 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 9 | 0 |
| 2000 | 10 | 0 |
| 2001 | 11 | 4 |
| 2002 | 14 | 14 |
| 2003 | 24 | 16 |
| 2004 | 14 | 13 |
| 2005 | 8 | 6 |
| 2006 | 11 | 6 |
| 2007 | 6 | 4 |
| 2008 | 7 | 7 |
| 2009 | 2 | 3 |
| 2010 | 3 | 7 |
| 2011 | 4 | 13 |
| 2012 | 2 | 4 |
| 2013 | 6 | 6 |
| 2014 | 7 | 4 |
| 2015 | 8 | 3 |
| 2016 | 4 | 11 |
| 2017 | 10 | 4 |
| 2018 | 5 | 4 |
| 2019 | 6 | 9 |
| 2020 | 10 | 5 |
| 2021 | 7 | 5 |
| 2022 | 6 | 5 |
| 2023 | 3 | 4 |
| 2024 | 6 | 1 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F02G 2243/50Having resonance tubesIndexing code194
- F02G 2243/34Regenerative displacers having their cylinders at right angleIndexing code15
- F02G 2243/32Regenerative displacers having parallel cylinderIndexing code10
- F02G 2243/38External regenerators having parallel cylindersIndexing code7
- F02G 2243/40With free displacersIndexing code3
- F02G 2243/36With twin-expansion cylindersIndexing code1
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- A system and a method for controlling the power output of a stirling engine30 Jan 2025US 2025/0035066 A1EnergyIntel Services Ltd.
- Thermoacoustic device15 Aug 2024US 2024/0271836 A1Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
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