F25B 2600/2501
Bypass valves
F25B2600/2501 (Bypass valves) appears on 689 US grants and 889 published applications in this corpus.
Search patents in F25B- Granted patents
- 689
- Published applications
- 889
- Assignees
- 287
- Inventors
- 1,672
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 2 |
| 2002 | 5 | 6 |
| 2003 | 13 | 15 |
| 2004 | 14 | 27 |
| 2005 | 21 | 29 |
| 2006 | 18 | 11 |
| 2007 | 9 | 17 |
| 2008 | 11 | 15 |
| 2009 | 7 | 9 |
| 2010 | 8 | 14 |
| 2011 | 6 | 16 |
| 2012 | 4 | 11 |
| 2013 | 4 | 17 |
| 2014 | 7 | 27 |
| 2015 | 9 | 34 |
| 2016 | 15 | 30 |
| 2017 | 28 | 58 |
| 2018 | 43 | 59 |
| 2019 | 62 | 56 |
| 2020 | 54 | 55 |
| 2021 | 41 | 73 |
| 2022 | 63 | 82 |
| 2023 | 58 | 65 |
| 2024 | 76 | 67 |
| 2025 | 47 | 62 |
| 2026 | 35 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- CO2 refrigeration system with superheat control22 Sep 2026US 12,742,574 B2Hill Phoenix, Inc.
- Heat pump8 Sep 2026US 12,729,889 B2LG Electronics Inc.
- Low charge series chiller and free cooling1 Sep 2026US 12,723,781 B2Tyco Fire & Security GmbH
- High-efficiency cooling systems and methods for a computer data center1 Sep 2026US 12,723,790 B2
- CO2 refrigeration system with convertible compressors25 Aug 2026US 12,716,621 B2Hill Phoenix, Inc.
- Cooling System and Respective Operation1 Oct 2026US 2026/0298518 A1
- Heating, ventilation, and air-conditioning system with a thermal energy storage device24 Sep 2026US 2026/0287232 A1Goodman Global Group, Inc.
- Cooling system3 Sep 2026US 2026/0258983 A1Shinwa Controls Co., Ltd
- Refrigerator20 Aug 2026US 2026/0243485 A1Daikin Industries, Ltd.
- Cooling unit and control system13 Aug 2026US 2026/0235331 A1Thermal Works LLC
Most cited
By later US patents
- Method and device for high side pressure regulation in transcritical vapor compression cycle91US 5,245,836 ASinvent AS · 1993
- Heat pump having an accumulator with refrigerant level sensor80US 5,136,855 AOntario Hydro · 1992
- Thermal control system and method80US 7,415,835 B2Advanced Thermal Sciences Corp. · 2008
- Environmental control system68US 5,396,779 ANartron Corporation · 1995
- Environmental control system65US 5,255,529 ANartron Corporation · 1993