F25B 2345/006
Details for charging or discharging refrigerants: characterised by charging or discharging valves
Official title: characterised by charging or discharging valves
F25B2345/006 (Details for charging or discharging refrigerants: characterised by charging or discharging valves) appears on 300 US grants and 231 published applications in this corpus.
Search patents in F25B- Granted patents
- 300
- Published applications
- 231
- Assignees
- 161
- Inventors
- 495
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 11 | 0 |
| 1992 | 8 | 0 |
| 1993 | 7 | 0 |
| 1994 | 15 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 17 | 1 |
| 2002 | 12 | 5 |
| 2003 | 6 | 7 |
| 2004 | 9 | 8 |
| 2005 | 8 | 15 |
| 2006 | 10 | 8 |
| 2007 | 4 | 6 |
| 2008 | 6 | 5 |
| 2009 | 2 | 9 |
| 2010 | 1 | 4 |
| 2011 | 5 | 5 |
| 2012 | 3 | 12 |
| 2013 | 3 | 8 |
| 2014 | 6 | 8 |
| 2015 | 3 | 6 |
| 2016 | 7 | 8 |
| 2017 | 4 | 10 |
| 2018 | 12 | 10 |
| 2019 | 8 | 16 |
| 2020 | 10 | 10 |
| 2021 | 11 | 15 |
| 2022 | 16 | 19 |
| 2023 | 12 | 9 |
| 2024 | 14 | 7 |
| 2025 | 6 | 11 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heat source unit and refrigerant handling method1 Sep 2026US 12,723,791 B2Daikin Industries, Ltd.
- Movable coolant processing apparatus21 Jul 2026US 12,687,331 B2Tokyo Electron Limited
- Method to charge multiple refrigerants with desired concentrations14 Apr 2026US 12,601,529 B2Copeland Corporation
- Method and apparatus for valve core installation/removal31 Mar 2026US 12,590,647 B2Fieldpiece Instruments, Inc.
- Controlled clearing of refrigerant orifice30 Dec 2025US 12,510,274 B2Robert Bosch GmbH
- Air conditioner30 Jul 2026US 2026/0218955 A1Daikin Industries, Ltd.
- Service tools and systems for processing fluid through a fluid access port9 Jul 2026US 2026/0194274 A1FasTest, Inc.
- Three-valve manifold for servicing a chilling system and method for using the same2 Jul 2026US 2026/0185755 A1Thermofluid Technologies, Inc.
- Multi-port core removal tool11 Jun 2026US 2026/0158602 A1
- Kit, system, and associated method for filling sealed direct inject delivery devices with refrigerant gas additives4 Jun 2026US 2026/0153275 A1Thermofluid Technologies, Inc.
Most cited
By later US patents
- Quick-disconnect fluid coupling98US 5,293,902 ATIF Instruments, Inc. · 1994
- Refrigeration system service adapter83US 5,139,049 AAeroquip Corporation · 1992
- Refrigeration equipment service apparatus with quick-disconnect couplings71US 5,080,132 AKent-Moore Corporation · 1992
- Apparatus and method for refrigerant fluid leak prevention62US 5,564,280 A1996
- Pressurized fluid-drivable device for injecting a treatment liquid stored therein into a tire or other enclosed space53US 5,070,917 A1991