F02G 2280/00
Output delivery
F02G2280/00 (Output delivery) appears on 154 US grants and 160 published applications in this corpus.
Search patents in F02G- Granted patents
- 154
- Published applications
- 160
- Assignees
- 88
- Inventors
- 246
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 4 |
| 2003 | 5 | 0 |
| 2004 | 0 | 2 |
| 2005 | 3 | 4 |
| 2006 | 4 | 6 |
| 2007 | 1 | 8 |
| 2008 | 2 | 10 |
| 2009 | 8 | 10 |
| 2010 | 8 | 11 |
| 2011 | 4 | 8 |
| 2012 | 3 | 4 |
| 2013 | 8 | 7 |
| 2014 | 7 | 6 |
| 2015 | 5 | 3 |
| 2016 | 7 | 12 |
| 2017 | 5 | 4 |
| 2018 | 8 | 7 |
| 2019 | 4 | 9 |
| 2020 | 10 | 13 |
| 2021 | 12 | 4 |
| 2022 | 9 | 11 |
| 2023 | 9 | 7 |
| 2024 | 7 | 6 |
| 2025 | 4 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Free-piston Stirling engine7 Oct 2025US 12,435,911 B2Twinbird Corporation
- Heat pump system and a method of operating a heat pump system15 Apr 2025US 12,278,546 B2Whitaker Engineering (Stonehaven) Limited
- System and apparatus for energy conversion18 Feb 2025US 12,228,094 B2Hyliion Holdings Corp.
- Heat-assisted pumping systems for use in negative pressure wound therapy7 Jan 2025US 12,186,166 B2Smith & Nephew, Inc.
- Systems and methods utilizing gas temperature as a power source10 Dec 2024US 12,163,485 B2ICE Thermal Harvesting, LLC
- Hybrid solar power generation system and civil engineering work with such system4 Jun 2026US 2026/0155782 A1Energypier AG
- Hot-gas free-piston stirling engine with efficient hot air inlet2 Apr 2026US 2026/0092576 A1Exowatt, Inc.
- An alpha type stirling engine6 Feb 2025US 2025/0043746 A1EnergyIntel Services Ltd.
- Free-piston stirling engine14 Nov 2024US 2024/0376850 A1Twinbird Corporation
- Heat pump system and a method of operating a heat pump system3 Oct 2024US 2024/0333096 A1Whittaker Engineering (Stone-Haven) Limited
Most cited
By later US patents
- Walking assisting apparatus134US 6,666,796 B1AeroVironment, Inc. · 2003
- Double acting thermodynamically resonant free-piston multicylinder stirling system and method78US 7,134,279 B2Infinia Corporation · 2006
- Convertor for thermal energy into electrical energy using Stirling motor and integral electrical generator74US 4,511,805 ABertin & Cie · 1985
- Drive unit for prosthetic limb73US 6,645,252 B2Honda Giken Kogyo Kabushiki Kaisha · 2003
- Stirling cycle cryogenic cooler63US 4,389,849 A1983