F02G 1/045
Controlling
F02G1/045 (Controlling) appears on 207 US grants and 148 published applications in this corpus.
Search patents in F02G- Granted patents
- 207
- Published applications
- 148
- Assignees
- 86
- Inventors
- 273
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 7 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 2 | 3 |
| 2005 | 2 | 4 |
| 2006 | 2 | 2 |
| 2007 | 2 | 2 |
| 2008 | 3 | 4 |
| 2009 | 1 | 2 |
| 2010 | 4 | 9 |
| 2011 | 2 | 12 |
| 2012 | 9 | 8 |
| 2013 | 8 | 14 |
| 2014 | 13 | 6 |
| 2015 | 6 | 7 |
| 2016 | 3 | 5 |
| 2017 | 4 | 9 |
| 2018 | 6 | 4 |
| 2019 | 4 | 5 |
| 2020 | 10 | 16 |
| 2021 | 10 | 5 |
| 2022 | 13 | 9 |
| 2023 | 9 | 9 |
| 2024 | 10 | 6 |
| 2025 | 2 | 4 |
| 2026 | 2 | 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
- Single cylinder internally heated stirling engine24 Mar 2026US 12,584,454 B2
- 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
- Manifold assembly for a closed-cycle engine13 Aug 2026US 2026/0235090 A1Hyliion Holdings Corp.
- Single cylinder internally heated stirling engine4 Sep 2025US 2025/0277474 A1
- An alpha type stirling engine6 Feb 2025US 2025/0043746 A1EnergyIntel Services Ltd.
- 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
- 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