F02G 2280/20
Rotary generators
F02G2280/20 (Rotary generators) appears on 44 US grants and 37 published applications in this corpus.
Search patents in F02G- Granted patents
- 44
- Published applications
- 37
- Assignees
- 32
- Inventors
- 68
- Latest grant
- 15 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 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 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 4 |
| 2008 | 1 | 2 |
| 2009 | 4 | 1 |
| 2010 | 1 | 3 |
| 2011 | 1 | 2 |
| 2012 | 0 | 0 |
| 2013 | 3 | 2 |
| 2014 | 1 | 2 |
| 2015 | 1 | 0 |
| 2016 | 3 | 3 |
| 2017 | 3 | 1 |
| 2018 | 2 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 3 | 1 |
| 2022 | 4 | 3 |
| 2023 | 5 | 4 |
| 2024 | 3 | 3 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heat pump system and a method of operating a heat pump system15 Apr 2025US 12,278,546 B2Whitaker Engineering (Stonehaven) Limited
- Systems and methods utilizing gas temperature as a power source10 Dec 2024US 12,163,485 B2ICE Thermal Harvesting, LLC
- Systems and methods utilizing gas temperature as a power source1 Oct 2024US 12,104,553 B2ICE Thermal Harvesting, LLC
- Systems and methods utilizing gas temperature as a power source23 Jan 2024US 11,879,409 B2ICE Thermal Harvesting, LLC
- Systems and methods utilizing gas temperature as a power source3 Oct 2023US 11,773,805 B2ICE Thermal Harvesting, LLC
- Hybrid solar power generation system and civil engineering work with such system4 Jun 2026US 2026/0155782 A1Energypier AG
- Heat pump system and a method of operating a heat pump system3 Oct 2024US 2024/0333096 A1Whittaker Engineering (Stone-Haven) Limited
- Systems and methods utilizing gas temperature as a power source21 Mar 2024US 2024/0093660 A1ICE Thermal Harvesting, LLC
- Systems and methods utilizing gas temperature as a power source25 Jan 2024US 2024/0026838 A1ICE Thermal Harvesting, LLC
- Systems and methods utilizing gas temperature as a power source29 Jun 2023US 2023/0204003 A1ICE Thermal Harvesting, LLC
Most cited
By later US patents
- Congeneration system with a Stirling engine58US 5,074,114 AStirling Thermal Motors, Inc. · 1991
- Auxiliary power unit51US 6,536,207 B1New Power Concepts LLC · 2003
- Hermetically sealed stirling engine generator46US 5,755,100 AStirling Marine Power Limited · 1998
- Systems and methods utilizing gas temperature as a power source44US 11,326,550 B1ICE Thermal Harvesting, LLC · 2022
- Refrigeration system including refrigeration cycle and rankine cycle31US 7,578,139 B2Denso Corporation · 2009