F25B 2600/2513
Expansion valves
F25B2600/2513 (Expansion valves) appears on 1,193 US grants and 1,571 published applications in this corpus.
Search patents in F25B- Granted patents
- 1,193
- Published applications
- 1,571
- Assignees
- 369
- Inventors
- 2,743
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 9 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 8 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 3 |
| 2002 | 11 | 8 |
| 2003 | 10 | 13 |
| 2004 | 14 | 20 |
| 2005 | 14 | 19 |
| 2006 | 14 | 20 |
| 2007 | 7 | 22 |
| 2008 | 5 | 19 |
| 2009 | 8 | 34 |
| 2010 | 14 | 50 |
| 2011 | 15 | 40 |
| 2012 | 27 | 38 |
| 2013 | 21 | 41 |
| 2014 | 20 | 39 |
| 2015 | 36 | 78 |
| 2016 | 30 | 66 |
| 2017 | 51 | 78 |
| 2018 | 72 | 102 |
| 2019 | 92 | 100 |
| 2020 | 106 | 136 |
| 2021 | 78 | 125 |
| 2022 | 119 | 135 |
| 2023 | 80 | 106 |
| 2024 | 131 | 119 |
| 2025 | 81 | 87 |
| 2026 | 45 | 73 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Autocascade system with superheat control6 Oct 2026US 12,753,960 B2Trane International Inc.
- Air conditioner15 Sep 2026US 12,736,261 B2LG Electronics Inc.
- Heat pump8 Sep 2026US 12,729,889 B2LG Electronics Inc.
- Refrigeration cycle apparatus and optimization method25 Aug 2026US 12,716,625 B2Mitsubishi Electric Corporation
- Electromotive expansion valve and refrigeration circuit25 Aug 2026US 12,716,626 B2Mahle International GmbH
- Expander control in hvacr systems1 Oct 2026US 2026/0298514 A1Trane Air Conditioning Systems (China) Co., Ltd.
- System and method for heating and cooling24 Sep 2026US 2026/0287196 A1Daikin Industries, Ltd.
- Liquid level control of expansion valves in climate control systems24 Sep 2026US 2026/0287231 A1Trane International Inc.
- Heating, ventilation, and air-conditioning system with a thermal energy storage device24 Sep 2026US 2026/0287232 A1Goodman Global Group, Inc.
- Injection and capacity control in an hvacr system10 Sep 2026US 2026/0266518 A1Trane Air Conditioning Systems (China) Co., Ltd.
Most cited
By later US patents
- 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
- Geothermal heat pump system116US 5,758,514 AEnvirotherm Heating & Cooling Systems, Inc. · 1998
- Diagnostics for a heating and cooling system113US 5,689,963 ACopeland Corporation · 1997