F25B 31/006
Cooling of compressor or motor
Official title: {Cooling of compressor or motor}
F25B31/006 (Cooling of compressor or motor) appears on 510 US grants and 538 published applications in this corpus.
Search patents in F25B- Granted patents
- 510
- Published applications
- 538
- Assignees
- 204
- Inventors
- 1,186
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 7 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 1 | 0 |
| 1995 | 8 | 0 |
| 1996 | 3 | 0 |
| 1997 | 9 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 12 | 0 |
| 2001 | 16 | 3 |
| 2002 | 13 | 10 |
| 2003 | 13 | 12 |
| 2004 | 12 | 15 |
| 2005 | 8 | 7 |
| 2006 | 7 | 8 |
| 2007 | 8 | 12 |
| 2008 | 4 | 7 |
| 2009 | 5 | 13 |
| 2010 | 5 | 12 |
| 2011 | 3 | 11 |
| 2012 | 5 | 14 |
| 2013 | 12 | 10 |
| 2014 | 6 | 23 |
| 2015 | 12 | 31 |
| 2016 | 12 | 29 |
| 2017 | 20 | 28 |
| 2018 | 31 | 31 |
| 2019 | 27 | 33 |
| 2020 | 28 | 56 |
| 2021 | 30 | 49 |
| 2022 | 29 | 33 |
| 2023 | 28 | 32 |
| 2024 | 37 | 22 |
| 2025 | 22 | 22 |
| 2026 | 13 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cooling of a compressor shaft gas bearing1 Sep 2026US 12,723,592 B2Trane International Inc.
- Refrigerant liquid-gas separator25 Aug 2026US 12,716,628 B2Bergstrom, Inc.
- Hermetic motor cooling system18 Aug 2026US 12,712,408 B2Tyco Fire & Security GmbH
- Turbo compressor and turbo chiller comprising same11 Aug 2026US 12,704,133 B2Mitsubishi Heavy Industries Thermal Systems, Ltd.
- Methods and systems for controlling a compressor cooling system4 Aug 2026US 12,698,927 B2Copeland Corporation
- Methods and systems for controlling a compressor cooling system24 Sep 2026US 2026/0287224 A1Copeland Corporation
- Methods and systems for controlling a compressor cooling system24 Sep 2026US 2026/0287233 A1Copeland Corporation
- Sealing system for hvac&r system17 Sep 2026US 2026/0275996 A1Tyco Fire & Security GmbH
- Heat Pump Systems and Methods17 Sep 2026US 2026/0276247 A1AtmosZero, Inc.
- Dishwasher27 Aug 2026US 2026/0248348 A1LG Electronics Inc.
Most cited
By later US patents
- Apparatus for cooling the power electronics of a refrigeration compressor drive189US 6,116,040 ACarrier Corporation · 2000
- Variable speed drive chiller system167US 6,434,960 B1Carrier Corporation · 2002
- Compressor with liquid injection131US 5,076,067 ACopeland Corporation · 1991
- Compressor system with demand cooling110US 4,974,427 ACopeland Corporation · 1990
- Compressor with control electronics103US 6,041,609 ADanfoss A/S · 2000