F25B 2600/25
Control of valves
F25B2600/25 (Control of valves) appears on 2,900 US grants and 3,740 published applications in this corpus.
Search patents in F25B- Granted patents
- 2,900
- Published applications
- 3,740
- Assignees
- 740
- Inventors
- 5,385
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 7 | 0 |
| 1986 | 7 | 0 |
| 1987 | 12 | 0 |
| 1988 | 7 | 0 |
| 1989 | 7 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 14 | 0 |
| 1993 | 13 | 0 |
| 1994 | 10 | 0 |
| 1995 | 9 | 0 |
| 1996 | 8 | 0 |
| 1997 | 11 | 0 |
| 1998 | 18 | 0 |
| 1999 | 14 | 0 |
| 2000 | 14 | 0 |
| 2001 | 14 | 5 |
| 2002 | 29 | 29 |
| 2003 | 43 | 50 |
| 2004 | 47 | 74 |
| 2005 | 57 | 96 |
| 2006 | 53 | 82 |
| 2007 | 35 | 66 |
| 2008 | 29 | 75 |
| 2009 | 33 | 71 |
| 2010 | 39 | 124 |
| 2011 | 36 | 90 |
| 2012 | 50 | 82 |
| 2013 | 57 | 93 |
| 2014 | 47 | 103 |
| 2015 | 66 | 187 |
| 2016 | 85 | 141 |
| 2017 | 137 | 212 |
| 2018 | 177 | 206 |
| 2019 | 204 | 245 |
| 2020 | 235 | 270 |
| 2021 | 192 | 276 |
| 2022 | 266 | 311 |
| 2023 | 209 | 256 |
| 2024 | 266 | 252 |
| 2025 | 208 | 194 |
| 2026 | 106 | 150 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F25B 2600/2513Expansion valvesIndexing code1,193
- F25B 2600/2501Bypass valvesIndexing code689
- F25B 2600/2519On-off valvesIndexing code340
- F25B 2600/2509Economiser valvesIndexing code321
- F25B 2600/2507Flow-diverting valvesIndexing code305
- F25B 2600/2515Flow valvesIndexing code305
- F25B 2600/2511Evaporator distribution valvesIndexing code261
- F25B 2600/2523Receiver valvesIndexing code89
All 13 subgroupsShow fewer
Recent patents
- System and method for detection and correction of reverse flow in an ejector refrigeration circuit6 Oct 2026US 12,753,952 B2Carrier Corporation
- Autocascade system with superheat control6 Oct 2026US 12,753,960 B2Trane International Inc.
- Valve manifold for a pool environment control system29 Sep 2026US 12,747,602 B2PoolAire, Inc.
- CO2 refrigeration system with superheat control22 Sep 2026US 12,742,574 B2Hill Phoenix, Inc.
- Detecting contamination of a cryogenic refrigerant in a cryogenic refrigeration system22 Sep 2026US 12,742,577 B2Edwards Vacuum LLC
- Multi-type air-conditioning device8 Oct 2026US 2026/0309383 A1
- Systems and methods for integrating a water heating unit and a heat pump1 Oct 2026US 2026/0298484 A1
- Systems and methods for integrating a water heating unit and a heat pump1 Oct 2026US 2026/0298485 A1
- Expander control in hvacr systems1 Oct 2026US 2026/0298514 A1Trane Air Conditioning Systems (China) Co., Ltd.
- Cooling System and Respective Operation1 Oct 2026US 2026/0298518 A1
Most cited
By later US patents
- Economizer control with variable capacity193US 5,095,712 ACarrier Corporation · 1992
- Compressor pulse width modulation172US 6,213,731 B1Copeland Corporation · 2001
- Air conditioner and controller for active dehumidification while using ambient air to prevent overcooling159US 6,427,454 B12002
- Heating and cooling system with variable capacity compressor154US 5,628,201 ACopeland Corporation · 1997
- Cooling control system and expansion valve therefor118US 4,506,518 APacific Industrial Co., Ltd. · 1985