F25B 2327/12
Using internal combustion engines
Official title: using internal combustion engines
F25B2327/12 (Using internal combustion engines) appears on 139 US grants and 177 published applications in this corpus.
Search patents in F25B- Granted patents
- 139
- Published applications
- 177
- Assignees
- 66
- Inventors
- 346
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 1 |
| 2003 | 5 | 8 |
| 2004 | 5 | 10 |
| 2005 | 10 | 10 |
| 2006 | 9 | 14 |
| 2007 | 7 | 2 |
| 2008 | 1 | 6 |
| 2009 | 2 | 6 |
| 2010 | 3 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 7 |
| 2013 | 2 | 6 |
| 2014 | 2 | 6 |
| 2015 | 0 | 15 |
| 2016 | 8 | 13 |
| 2017 | 12 | 9 |
| 2018 | 10 | 15 |
| 2019 | 10 | 12 |
| 2020 | 10 | 13 |
| 2021 | 7 | 9 |
| 2022 | 16 | 8 |
| 2023 | 6 | 2 |
| 2024 | 4 | 3 |
| 2025 | 4 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Transport refrigeration system and method of operating19 Aug 2025US 12,391,097 B2Carrier Corporation
- Refrigerator for refrigerating vehicle using ejector and method of controlling the same27 May 2025US 12,313,317 B2Jeju National University Industry-Academic Cooperation Foundation
- Transport refrigeration unit8 Apr 2025US 12,270,599 B2Carrier Corporation
- Heat pump18 Feb 2025US 12,228,315 B2Yanmar Power Technology Co., Ltd.
- Refrigeration cycle device12 Nov 2024US 12,140,353 B2Denso Corporation
- Hybrid refrigeration system, control method thereof and transportation refrigeration vehicle31 Oct 2024US 2024/0361056 A1Carrier Corporation
- Heat-Driven Vapor-Compression System for Air Conditioning and Refrigeration11 Jul 2024US 2024/0230173 A1HyperBorean, Inc.
- Refrigerator for refrigerating vehicle using ejector and method of controlling the same8 Feb 2024US 2024/0044562 A1Jeju National University Industry-Academic Cooperation Foundation
- Heat Pump Device26 Oct 2023US 2023/0339292 A1Yanmar Holdings Co., Ltd.
- Heat pump4 May 2023US 2023/0135687 A1Yanmar Power Technology Co., Ltd.
Most cited
By later US patents
- Temperature control apparatus and method of determining malfunction106US 6,708,507 B1Thermo King Corporation · 2004
- Vehicle heating and cooling system62US 6,932,148 B1SCS Frigette · 2005
- Semi-electric mobile refrigerated system53US 9,464,839 B2Carrier Corporation · 2016
- Power regulation system for a mobile environment-controlled unit and method of controlling the same52US 9,562,715 B2Thermo King Corporation · 2017
- Gas engine driven heat pump method36US 5,099,651 AGas Research Institute · 1992