F25B 43/04
Arrangements for separating or purifying gases or liquids: for withdrawing non-condensible gases
Official title: for withdrawing non-condensible gases
F25B43/04 (Arrangements for separating or purifying gases or liquids: for withdrawing non-condensible gases) appears on 194 US grants and 166 published applications in this corpus.
Search patents in F25B- Granted patents
- 194
- Published applications
- 166
- Assignees
- 125
- Inventors
- 449
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 9 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 8 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 1 |
| 2002 | 8 | 1 |
| 2003 | 3 | 4 |
| 2004 | 2 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 7 |
| 2008 | 2 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 2 |
| 2011 | 3 | 4 |
| 2012 | 0 | 0 |
| 2013 | 0 | 9 |
| 2014 | 0 | 2 |
| 2015 | 2 | 7 |
| 2016 | 2 | 5 |
| 2017 | 7 | 6 |
| 2018 | 3 | 11 |
| 2019 | 8 | 19 |
| 2020 | 13 | 19 |
| 2021 | 8 | 17 |
| 2022 | 15 | 17 |
| 2023 | 17 | 11 |
| 2024 | 6 | 5 |
| 2025 | 13 | 6 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Vapor compression cycle with direct pumped two-phase cooling28 Jul 2026US 12,693,057 B2Hamilton Sundstrand Corporation
- Device for refrigeration system12 May 2026US 12,623,173 B2Tree Associates Ltd.
- Degassing device, heating and/or cooling system, and method6 Jan 2026US 12,515,146 B2Spiro Enterprises B.V.
- Systems and methods for controlling a purge unit of a vapor compression system6 Jan 2026US 12,516,857 B2Tyco Fire & Security GmbH
- Air purge device16 Dec 2025US 12,498,154 B2Mitsubishi Heavy Industries Thermal Systems, Ltd.
- Liquid circulation apparatus, substrate processing apparatus, and method of manufacturing product27 Aug 2026US 2026/0251365 A1Canon Kabushiki Kaisha
- Method for recovering one or more working fluids using an absorbent13 Aug 2026US 2026/0235339 A1Trane International Inc.
- Temperature adjustment system30 Jul 2026US 2026/0218947 A1Daikin Europe N.V.
- Air conditioner9 Jul 2026US 2026/0194273 A1LG Electronics Inc.
- Systems and methods for controlling a purge unit of a vapor compression system4 Jun 2026US 2026/0153274 A1Tyco Fire & Security GmbH
Most cited
By later US patents
- Thermoelectric cooling system71US 6,293,107 B1Matsushita Refrigeration Company · 2001
- Refrigeration purging system55US 4,304,102 ACarrier Corporation · 1981
- Refrigerant recovery method44US 5,806,322 AYork International Corporation · 1998
- Fail-safe apparatus for purge system41US 5,187,953 A1993
- Refrigerant purification with automatic air purge36US 5,005,369 AKent-Moore Corporation · 1991