F02G 1/05
By varying the rate of flow or quantity of the working gas
Official title: by varying the rate of flow or quantity of the working gas
F02G1/05 (By varying the rate of flow or quantity of the working gas) appears on 111 US grants and 73 published applications in this corpus.
Search patents in F02G- Granted patents
- 111
- Published applications
- 73
- Assignees
- 42
- Inventors
- 121
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 2 | 7 |
| 2012 | 6 | 7 |
| 2013 | 5 | 5 |
| 2014 | 8 | 2 |
| 2015 | 0 | 2 |
| 2016 | 2 | 3 |
| 2017 | 2 | 4 |
| 2018 | 4 | 3 |
| 2019 | 1 | 2 |
| 2020 | 5 | 12 |
| 2021 | 6 | 2 |
| 2022 | 8 | 7 |
| 2023 | 8 | 6 |
| 2024 | 6 | 4 |
| 2025 | 2 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Maximum delivery adiabatic hot-air engine9 Jun 2026US 12,650,097 B1
- Stirling engine29 Jul 2025US 12,372,043 B2Yanmar Holdings Co., Ltd.
- Method and apparatus for a rotary thermodynamic cycle with substantially isobaric fluid admission15 Jul 2025US 12,359,641 B2Fetu Limited
- Systems and methods utilizing gas temperature as a power source10 Dec 2024US 12,163,485 B2ICE Thermal Harvesting, LLC
- Engine apparatus and method for operation29 Oct 2024US 12,129,812 B2Hyliion Holdings Corp.
- Manifold assembly for a closed-cycle engine13 Aug 2026US 2026/0235090 A1Hyliion Holdings Corp.
- Stirling engine6 Feb 2025US 2025/0043747 A1Yanmar Holdings Co., Ltd.
- Thermodynamic Cycle21 Nov 2024US 2024/0384693 A1Fetu Limited
- Monolithic heat-exchanger bodies16 May 2024US 2024/0159201 A1Hyliion Holdings Corp.
- Systems and methods utilizing gas temperature as a power source21 Mar 2024US 2024/0093660 A1ICE Thermal Harvesting, LLC
Most cited
By later US patents
- Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange97US 8,065,874 B2Lightsale Energy, Inc. · 2011
- Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange90US 8,240,142 B2LightSail Energy, Inc. · 2012
- Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange86US 8,191,360 B2LightSail Energy, Inc. · 2012
- Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange81US 8,191,361 B2LightSail Energy, Inc. · 2012
- Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange80US 8,201,402 B2LightSail Energy, Inc. · 2012