F02G 2257/00
Regenerators
F02G2257/00 (Regenerators) appears on 62 US grants and 57 published applications in this corpus.
Search patents in F02G- Granted patents
- 62
- Published applications
- 57
- Assignees
- 31
- Inventors
- 111
- Latest grant
- 29 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 3 |
| 2012 | 0 | 1 |
| 2013 | 0 | 3 |
| 2014 | 2 | 3 |
| 2015 | 2 | 8 |
| 2016 | 2 | 2 |
| 2017 | 9 | 2 |
| 2018 | 2 | 3 |
| 2019 | 2 | 2 |
| 2020 | 4 | 9 |
| 2021 | 7 | 4 |
| 2022 | 4 | 5 |
| 2023 | 3 | 2 |
| 2024 | 5 | 1 |
| 2025 | 0 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Engine apparatus and method for operation29 Oct 2024US 12,129,812 B2Hyliion Holdings Corp.
- Stirling cycle machine1 Oct 2024US 12,104,552 B2DEKA Products Limited Partnership
- Method for heat transfer in the embedded structure of a heat regenerator and the design thereof4 Jun 2024US 12,000,663 B2GORENJE gospodinjski aparati, d.d.
- Constant density heat exchanger and system for energy conversion7 May 2024US 11,976,610 B2Hyliion Holdings Corp.
- Monolithic heat-exchanger bodies30 Jan 2024US 11,885,279 B2Hyliion Holdings Corp.
- Regenerator construction and structural design for enhanced performance in vuilleumier heat pumps16 Jul 2026US 2026/0201848 A1
- Hot-gas free-piston stirling engine with efficient hot air inlet2 Apr 2026US 2026/0092576 A1Exowatt, Inc.
- Stirling cycle machine23 Jan 2025US 2025/0027461 A1DEKA Products Limited Partnership
- Monolithic heat-exchanger bodies16 May 2024US 2024/0159201 A1Hyliion Holdings Corp.
- Constant density heat exchanger and system for energy conversion20 Jul 2023US 2023/0228229 A1General Electric Company
Most cited
By later US patents
- Regenerative internal combustion engine28US 4,928,658 A1990
- Regenerative internal combustion engine22US 4,790,284 ARegenic Corporation · 1988
- Stirling cycle machine21US 8,763,391 B2DEKA Products Limited Partnership · 2014
- Regenerator and regenerative material used therein17US 6,475,935 B1Ecti Kabushiki Kaisha · 2002
- Stirling engine with air working fluid13US 4,532,765 AMechanical Technology Incorporated · 1985