F25B 43/006
Accumulators
Official title: {Accumulators}
F25B43/006 (Accumulators) appears on 687 US grants and 629 published applications in this corpus.
Search patents in F25B- Granted patents
- 687
- Published applications
- 629
- Assignees
- 259
- Inventors
- 1,497
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 11 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 3 | 0 |
| 1986 | 8 | 0 |
| 1987 | 10 | 0 |
| 1988 | 7 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 9 | 0 |
| 1992 | 3 | 0 |
| 1993 | 10 | 0 |
| 1994 | 5 | 0 |
| 1995 | 8 | 0 |
| 1996 | 10 | 0 |
| 1997 | 10 | 0 |
| 1998 | 18 | 0 |
| 1999 | 18 | 0 |
| 2000 | 15 | 0 |
| 2001 | 29 | 4 |
| 2002 | 26 | 16 |
| 2003 | 21 | 14 |
| 2004 | 14 | 16 |
| 2005 | 9 | 18 |
| 2006 | 10 | 15 |
| 2007 | 7 | 14 |
| 2008 | 7 | 25 |
| 2009 | 5 | 13 |
| 2010 | 6 | 11 |
| 2011 | 7 | 12 |
| 2012 | 3 | 16 |
| 2013 | 4 | 11 |
| 2014 | 10 | 14 |
| 2015 | 8 | 14 |
| 2016 | 14 | 34 |
| 2017 | 20 | 44 |
| 2018 | 26 | 41 |
| 2019 | 44 | 36 |
| 2020 | 37 | 25 |
| 2021 | 24 | 27 |
| 2022 | 36 | 36 |
| 2023 | 29 | 46 |
| 2024 | 37 | 54 |
| 2025 | 39 | 42 |
| 2026 | 23 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heat pump, method for operating a heat pump, and transportation vehicle with a heat pump15 Sep 2026US 12,736,256 B2Volkswagen Aktiengesellschaft
- Heat exchanger systems8 Sep 2026US 12,729,893 B2
- Refrigerant liquid-gas separator25 Aug 2026US 12,716,628 B2Bergstrom, Inc.
- Fluid collector25 Aug 2026US 12,716,629 B2Mahle International GmbH
- Refrigeration system and the control method thereof11 Aug 2026US 12,704,301 B2Carrier Corporation
- Multi-gravitational force vapor cycle receiver1 Oct 2026US 2026/0298515 A1Honeywell International Inc.
- Indirect thermal management system for new energy vehicles24 Sep 2026US 2026/0287222 A1
- Unit comprising a collection tank17 Sep 2026US 2026/0276267 A1Siemens Energy Global GmbH & Co. KG
- Compressor and refrigeration device10 Sep 2026US 2026/0266517 A1Anhui Meizhi Precision Manufacturing Co., Ltd.
- Cooling system3 Sep 2026US 2026/0258983 A1Shinwa Controls Co., Ltd
Most cited
By later US patents
- Heat pump having an accumulator with refrigerant level sensor80US 5,136,855 AOntario Hydro · 1992
- Accumulator75US 6,196,019 B1Showa Aluminum Corporation · 2001
- Liquid over-feeding air conditioning system and method68US 5,245,833 AMartin Marietta Energy Systems, Inc. · 1993
- Self-retaining adsorbent bag unit64US 4,401,447 AMultiform Desiccants, Inc. · 1983
- Domed accumulator for automotive air conditioning system63US 4,474,035 AFord Motor Company · 1984