F25B 43/003
Filters
Official title: {Filters}
F25B43/003 (Filters) appears on 522 US grants and 357 published applications in this corpus.
Search patents in F25B- Granted patents
- 522
- Published applications
- 357
- Assignees
- 232
- Inventors
- 1,074
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 7 | 0 |
| 1981 | 6 | 0 |
| 1982 | 7 | 0 |
| 1983 | 2 | 0 |
| 1984 | 7 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 7 | 0 |
| 1991 | 9 | 0 |
| 1992 | 6 | 0 |
| 1993 | 11 | 0 |
| 1994 | 8 | 0 |
| 1995 | 12 | 0 |
| 1996 | 12 | 0 |
| 1997 | 12 | 0 |
| 1998 | 18 | 0 |
| 1999 | 18 | 0 |
| 2000 | 16 | 0 |
| 2001 | 33 | 5 |
| 2002 | 34 | 16 |
| 2003 | 16 | 20 |
| 2004 | 12 | 6 |
| 2005 | 9 | 24 |
| 2006 | 13 | 12 |
| 2007 | 9 | 10 |
| 2008 | 3 | 8 |
| 2009 | 5 | 6 |
| 2010 | 7 | 5 |
| 2011 | 4 | 4 |
| 2012 | 1 | 7 |
| 2013 | 1 | 6 |
| 2014 | 1 | 10 |
| 2015 | 2 | 10 |
| 2016 | 10 | 22 |
| 2017 | 9 | 20 |
| 2018 | 13 | 25 |
| 2019 | 24 | 16 |
| 2020 | 24 | 23 |
| 2021 | 14 | 21 |
| 2022 | 23 | 19 |
| 2023 | 18 | 19 |
| 2024 | 15 | 21 |
| 2025 | 18 | 11 |
| 2026 | 6 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluid collector25 Aug 2026US 12,716,629 B2Mahle International GmbH
- Air conditioner5 May 2026US 12,618,570 B2Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd.
- Refrigerant system and controlling method thereof for equalizing pressure difference between oil separator and evaporator14 Apr 2026US 12,601,530 B2Fu Sheng Industrial Co., Ltd.
- Lubricant recovery system for heat exchange system and heat exchange system31 Mar 2026US 12,590,741 B2Carrier Corporation
- Multi-stage compressor and air conditioning unit10 Feb 2026US 12,546,512 B2Gree Electric Appliances, Inc. of Zhuhai
- Systems and methods for removing contaminants from the fluid circulation system of a dilution refrigerator24 Sep 2026US 2026/0287228 A1Anyon Systems Inc.
- Method and apparatus for handling refrigerant17 Sep 2026US 2026/0276269 A1SK Innovation Co., Ltd.
- Method and apparatus for handling refrigerant17 Sep 2026US 2026/0276270 A1SK Innovation Co., Ltd.
- Electrically operated valve30 Jul 2026US 2026/0218953 A1Fujikoki Corporation
- Receiver drier bottle23 Jul 2026US 2026/0210599 A1Schaeffler Technologies AG & Co. KG
Most cited
By later US patents
- System for cooling electric vehicle batteries106US 6,138,466 ADaimlerChrysler AG · 2000
- Accumulator75US 6,196,019 B1Showa Aluminum Corporation · 2001
- Flexible desiccant body73US 4,013,566 AAdsorbex, Incorporated · 1977
- 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