F25B 2400/0401
For compressors
Official title: for compressors
F25B2400/0401 (For compressors) appears on 203 US grants and 260 published applications in this corpus.
Search patents in F25B- Granted patents
- 203
- Published applications
- 260
- Assignees
- 122
- Inventors
- 521
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 2 |
| 2003 | 3 | 4 |
| 2004 | 3 | 6 |
| 2005 | 4 | 5 |
| 2006 | 4 | 6 |
| 2007 | 3 | 9 |
| 2008 | 3 | 12 |
| 2009 | 2 | 4 |
| 2010 | 6 | 12 |
| 2011 | 5 | 10 |
| 2012 | 7 | 5 |
| 2013 | 3 | 9 |
| 2014 | 6 | 11 |
| 2015 | 6 | 5 |
| 2016 | 4 | 11 |
| 2017 | 15 | 8 |
| 2018 | 9 | 15 |
| 2019 | 14 | 17 |
| 2020 | 9 | 11 |
| 2021 | 12 | 18 |
| 2022 | 15 | 20 |
| 2023 | 15 | 10 |
| 2024 | 17 | 21 |
| 2025 | 13 | 12 |
| 2026 | 5 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- CO2 refrigeration system with convertible compressors25 Aug 2026US 12,716,621 B2Hill Phoenix, Inc.
- Adiabatic heat pump21 Jul 2026US 12,687,325 B2
- Cabin air compressor bypass for surge avoidance26 May 2026US 12,638,223 B2Hamilton Sundstrand Corporation
- Cooling device10 Feb 2026US 12,546,519 B2Huawei Digital Power Technologies Co., Ltd.
- Hybrid heat-pump system6 Jan 2026US 12,516,856 B2Copeland Corporation
- Condensing device and heat pump system comprising same20 Aug 2026US 2026/0243480 A1
- Two-stage compression in a medium-temperature co2 cdu application23 Jul 2026US 2026/0210604 A1Heatcraft Refrigeration Products LLC
- Cooling system with mixing valve16 Jul 2026US 2026/0202105 A1Vertiv Corporation
- Heat pump architecture for improving heating performance18 Jun 2026US 2026/0166943 A1Hanon Systems
- System and method for decoupling compressors and switching refrigerant flow based on ambient temperature28 May 2026US 2026/0146772 A1Heatcraft Refrigeration Products LLC
Most cited
By later US patents
- Transcritical turbine and method of operation107US 6,644,062 B1Energent Corporation · 2003
- Indirect evaporative cooling system102US 4,827,733 ADinh Company, Inc. · 1989
- Air conditioner53US 6,023,935 AMitsubishi Denki Kabushiki Kaisha · 2000
- Regenerative fresh-air air conditioning system and method38US 4,938,035 A1990
- Heat pump system with multi-stage compression33US 7,654,104 B2Purdue Research Foundation · 2010