F25B 43/043
For compression type systems
Official title: {for compression type systems}
F25B43/043 (For compression type systems) appears on 119 US grants and 116 published applications in this corpus.
Search patents in F25B- Granted patents
- 119
- Published applications
- 116
- Assignees
- 76
- Inventors
- 277
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 6 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 5 | 1 |
| 2003 | 2 | 3 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 5 |
| 2014 | 0 | 2 |
| 2015 | 1 | 4 |
| 2016 | 1 | 5 |
| 2017 | 4 | 5 |
| 2018 | 3 | 9 |
| 2019 | 8 | 15 |
| 2020 | 10 | 12 |
| 2021 | 7 | 12 |
| 2022 | 9 | 15 |
| 2023 | 14 | 9 |
| 2024 | 5 | 4 |
| 2025 | 11 | 4 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for refrigeration system12 May 2026US 12,623,173 B2Tree Associates Ltd.
- 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.
- Cryopump9 Dec 2025US 12,492,847 B2Sumitomo Heavy Industries, Ltd.
- On-demand air bleeding method for refrigeration systems, and system for implementing said method4 Nov 2025US 12,460,847 B2Hantech Brasil Comercial Importadora E Exportadora Ltda
- 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.
- 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
- Integrated two-phase direct-to-chip cooling using r7184 Jun 2026US 2026/0156786 A1VERTIV INTERNATIONAL GmbH
Most cited
By later US patents
- Refrigeration purging system55US 4,304,102 ACarrier Corporation · 1981
- Refrigerant recovery method44US 5,806,322 AYork International Corporation · 1998
- Refrigerant purification with automatic air purge36US 5,005,369 AKent-Moore Corporation · 1991
- Refrigeration system thermal purge apparatus36US 5,031,410 AAmerican Standard Inc. · 1991
- Refrigeration process with purge and recovery of refrigerant35US 5,044,166 AMembrane Technology and Research, Inc. · 1991