F25B 2400/12
Inflammable refrigerants
F25B2400/12 (Inflammable refrigerants) appears on 421 US grants and 650 published applications in this corpus.
Search patents in F25B- Granted patents
- 421
- Published applications
- 650
- Assignees
- 165
- Inventors
- 1,012
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 8 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 1 |
| 2002 | 5 | 3 |
| 2003 | 10 | 5 |
| 2004 | 1 | 7 |
| 2005 | 4 | 6 |
| 2006 | 8 | 14 |
| 2007 | 3 | 4 |
| 2008 | 6 | 2 |
| 2009 | 3 | 3 |
| 2010 | 1 | 12 |
| 2011 | 4 | 13 |
| 2012 | 5 | 10 |
| 2013 | 2 | 25 |
| 2014 | 2 | 17 |
| 2015 | 12 | 26 |
| 2016 | 13 | 30 |
| 2017 | 19 | 45 |
| 2018 | 25 | 46 |
| 2019 | 40 | 45 |
| 2020 | 28 | 63 |
| 2021 | 32 | 54 |
| 2022 | 49 | 63 |
| 2023 | 21 | 34 |
| 2024 | 43 | 43 |
| 2025 | 29 | 52 |
| 2026 | 17 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for generating water from air using a solar collection and refrigeration systems11 Aug 2026US 12,703,965 B2Source Global, PBC
- Stirling refrigeration system11 Aug 2026US 12,704,297 B2Carrier Corporation
- Air conditioner14 Jul 2026US 12,680,741 B2Panasonic Intellectual Property Management Co., Ltd.
- Refrigeration system having high-efficiency loop30 Jun 2026US 12,669,272 B2Copeland Corporation
- Inside air-conditioning device9 Jun 2026US 12,650,250 B2Daikin Industries, Ltd.
- Refrigerant blends having low global warming potential30 Jul 2026US 2026/0218027 A1The Chemours Company Fc, LLC
- Temperature adjustment system30 Jul 2026US 2026/0218947 A1Daikin Europe N.V.
- Refrigeration cycle apparatus30 Jul 2026US 2026/0218956 A1Daikin Europe N.V.
- Heat transfer compositions, methods and sytems16 Jul 2026US 2026/0201231 A1Solstice Advanced Materials US, Inc.
- Heat transfer compositions, methods and systems16 Jul 2026US 2026/0202102 A1Solstice Advanced Materials US, Inc.
Most cited
By later US patents
- Refrigerator and defrosting heater472US 6,684,659 B1Matsushita Refrigeration Company · 2004
- Transcritical turbine and method of operation107US 6,644,062 B1Energent Corporation · 2003
- Precooling system for joule-thomson probe99US 5,758,505 ACryoGen, Inc. · 1998
- Food freezing method using a multicomponent refrigerant66US 6,327,866 B1Praxair Technology, Inc. · 2001
- Self-cooling containers of beverage and foodstuffs62US 6,103,280 ABass Public Limited Company · 2000