F02G 2280/60
Heat pumps
F02G2280/60 (Heat pumps) appears on 4 US grants and 8 published applications in this corpus.
Search patents in F02G- Granted patents
- 4
- Published applications
- 8
- Assignees
- 6
- Inventors
- 18
- Latest grant
- 15 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year.
Recent patents
- Heat pump system and a method of operating a heat pump system15 Apr 2025US 12,278,546 B2Whitaker Engineering (Stonehaven) Limited
- Four-process cycle for a Vuilleumier heat pump24 Mar 2020US 10,598,126 B2ThermoLift, Inc.
- Four-process cycle for a Vuilleumier heat pump24 Jul 2018US 10,030,893 B2ThermoLift, Inc.
- Stirling engine power generation system17 Oct 2017US 9,790,891 B2
- Heat pump system and a method of operating a heat pump system3 Oct 2024US 2024/0333096 A1Whittaker Engineering (Stone-Haven) Limited
- Gas engine driven heat pump system with generator19 Dec 2019US 2019/0383232 A1Kiturami Co., Ltd.
- Four-Process Cycle for a Vuilleumier Heat Pump1 Nov 2018US 2018/0313296 A1ThermoLift, Inc.
- A Four-Process Cycle for a Vuilleumier Heat Pump13 Oct 2016US 2016/0298878 A1ThermoLift, Inc.
- Stirling engine power generation system5 Jan 2012US 2012/0000194 A1
Most cited
By later US patents