F25B 41/22
Between evaporator and compressor
Official title: between evaporator and compressor
F25B41/22 (Between evaporator and compressor) appears on 464 US grants and 465 published applications in this corpus.
Search patents in F25B- Granted patents
- 464
- Published applications
- 465
- Assignees
- 197
- Inventors
- 942
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 8 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 6 | 5 |
| 2002 | 18 | 15 |
| 2003 | 13 | 14 |
| 2004 | 14 | 21 |
| 2005 | 11 | 20 |
| 2006 | 17 | 19 |
| 2007 | 12 | 10 |
| 2008 | 9 | 11 |
| 2009 | 6 | 11 |
| 2010 | 5 | 14 |
| 2011 | 6 | 8 |
| 2012 | 6 | 14 |
| 2013 | 6 | 12 |
| 2014 | 5 | 10 |
| 2015 | 8 | 21 |
| 2016 | 15 | 12 |
| 2017 | 19 | 18 |
| 2018 | 20 | 11 |
| 2019 | 18 | 19 |
| 2020 | 13 | 24 |
| 2021 | 17 | 36 |
| 2022 | 33 | 46 |
| 2023 | 35 | 24 |
| 2024 | 31 | 31 |
| 2025 | 28 | 18 |
| 2026 | 12 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Low charge series chiller and free cooling1 Sep 2026US 12,723,781 B2Tyco Fire & Security GmbH
- Expansion valve position detection in refrigeration system28 Jul 2026US 12,693,058 B2Hill Phoenix, Inc.
- Refrigeration systems with a first compressor system and a second compressor system7 Jul 2026US 12,674,608 B2Hill Phoenix, Inc.
- Test chamber and method26 May 2026US 12,638,377 B2Weiss Technik GmbH
- Valve device for a heat-pump system, heat-pump-system having such a valve device, and building having such a valve device or such a heat-pump system21 Apr 2026US 12,607,392 B2Vitesco Technologies GmbH
- Heat exchange unit and energy storage device1 Oct 2026US 2026/0298504 A1Contemporary Amperex Technology Co., Limited
- Cooling device, exposure device, and industrial equipment20 Aug 2026US 2026/0243486 A1Canon Semiconductor Equipment Inc.
- Batch oil return system and method6 Aug 2026US 2026/0227103 A1John Bean Technologies Corporation
- Quick co2 warm liquid defrost with additional heat23 Jul 2026US 2026/0210601 A1Heatcraft Refrigeration Products LLC
- Two-stage compression in a medium-temperature co2 cdu application23 Jul 2026US 2026/0210604 A1Heatcraft Refrigeration Products LLC
Most cited
By later US patents
- Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor194US 6,047,557 ACopeland Corporation · 2000
- Refrigeration system and method of operating the same137US 6,973,794 B2Hussmann Corporation · 2005
- Valve and door assembly for semi-frozen food dispensing machine111US 6,553,779 B1Specialty Equipment Companies, Inc. · 2003
- Method and apparatus for producing and dispensing an aerated and/or blended food product110US 6,698,228 B2Moobella, LLC · 2004
- Diagnostic system and method for a cooling system104US 6,679,072 B2Copeland Corporation · 2004