F02G 2256/50
Coolers: with coolant circulation
Official title: with coolant circulation
F02G2256/50 (Coolers: with coolant circulation) appears on 15 US grants and 10 published applications in this corpus.
Search patents in F02G- Granted patents
- 15
- Published applications
- 10
- Assignees
- 11
- Inventors
- 34
- Latest grant
- 18 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 3 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- System and apparatus for energy conversion18 Feb 2025US 12,228,094 B2Hyliion Holdings Corp.
- Stirling engine comprising a cooling tube on a working cylinder12 Oct 2021US 11,143,140 B2Maston AB
- Automatic cooling system for combustion engine22 Sep 2020US 10,781,771 B1
- System and apparatus for energy conversion28 Jul 2020US 10,724,470 B1General Electric Company
- Power generation system and method3 Mar 2020US 10,577,983 B2Nanyang Technological University
- System and apparatus for energy conversion7 Jul 2022US 2022/0213847 A1General Electric Company
- Stirling engine comprising a cooling tube on a working cylinder7 Jan 2021US 2021/0003094 A1Maston AB
- Power generation system and method20 Sep 2018US 2018/0266279 A1Nanyang Technological University
- Coolant Penetrating Cold-End Pressure Vessel28 Jan 2016US 2016/0025036 A1New Power Concepts LLC
- Coolant penetrating cold-end pressure vessel13 Sep 2012US 2012/0227403 A1New Power Concepts LLC
Most cited
By later US patents
- Congeneration system with a Stirling engine58US 5,074,114 AStirling Thermal Motors, Inc. · 1991
- Coolant penetrating cold-end pressure vessel21US 7,325,399 B2New Power Concepts LLC · 2008
- Cooling system for a stirling engine16US 5,010,734 AGoldstar Co., Ltd. · 1991
- Power generation and space conditioning using a thermodynamic engine driven through environmental heating and cooling12US 7,877,999 B2Cool Energy, Inc. · 2011
- Cooling system for stirling engine7US 5,056,316 AGoldstar Co., Ltd. · 1991