F25
Refrigeration or cooling
Official title: Refrigeration or cooling; combined heating and refrigeration systems; heat pump systems; manufacture or storage of ice; liquefaction solidification of gases
F25 (Refrigeration or cooling) appears on 50,253 US grants and 49,142 published applications in this corpus.
Search patents in F25- Granted patents
- 50,253
- Published applications
- 49,142
- Assignees
- 10,698
- Inventors
- 67,630
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 346 | 0 |
| 1977 | 373 | 0 |
| 1978 | 339 | 0 |
| 1979 | 304 | 0 |
| 1980 | 419 | 0 |
| 1981 | 501 | 0 |
| 1982 | 476 | 0 |
| 1983 | 402 | 0 |
| 1984 | 529 | 0 |
| 1985 | 559 | 0 |
| 1986 | 462 | 0 |
| 1987 | 514 | 0 |
| 1988 | 567 | 0 |
| 1989 | 619 | 0 |
| 1990 | 633 | 0 |
| 1991 | 658 | 0 |
| 1992 | 619 | 0 |
| 1993 | 747 | 0 |
| 1994 | 703 | 0 |
| 1995 | 681 | 0 |
| 1996 | 683 | 0 |
| 1997 | 686 | 0 |
| 1998 | 872 | 0 |
| 1999 | 984 | 0 |
| 2000 | 922 | 0 |
| 2001 | 1041 | 240 |
| 2002 | 1064 | 767 |
| 2003 | 1011 | 981 |
| 2004 | 844 | 1260 |
| 2005 | 713 | 1419 |
| 2006 | 831 | 1540 |
| 2007 | 814 | 1298 |
| 2008 | 587 | 1518 |
| 2009 | 565 | 1555 |
| 2010 | 780 | 1769 |
| 2011 | 777 | 1610 |
| 2012 | 805 | 1578 |
| 2013 | 984 | 1813 |
| 2014 | 1055 | 1930 |
| 2015 | 1284 | 2308 |
| 2016 | 1471 | 2303 |
| 2017 | 1962 | 2519 |
| 2018 | 2024 | 2674 |
| 2019 | 2455 | 2702 |
| 2020 | 2403 | 2832 |
| 2021 | 2114 | 2664 |
| 2022 | 2190 | 2676 |
| 2023 | 2057 | 2523 |
| 2024 | 2284 | 2619 |
| 2025 | 2135 | 2277 |
| 2026 | 1405 | 1767 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subclasses
Granted patents
Recent patents
- Method of controlling the environment in a grow room6 Oct 2026US 12,751,465 B2JDS Consulting
- Refrigerating or warming apparatus, and vehicle6 Oct 2026US 12,752,591 B2LG Electronics Inc.
- Refrigeration cycle device6 Oct 2026US 12,752,599 B2Denso Corporation
- Standing tote with stacking or sliding lid6 Oct 2026US 12,752,964 B1Packit, LLC
- Single-phase field-oriented control for a linear compressor6 Oct 2026US 12,753,752 B1Haier US Appliance Solutions, Inc.
- Tempering device for controlling the temperature of a living being8 Oct 2026US 2026/0306315 A1Kohlbrat & Bunz Gesellschaft mbH
- Method and device for separating a carbon dioxide-containing gas by partial condensation and/or distillation and/or solidification8 Oct 2026US 2026/0306989 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Utilizing air moisture sensor and compressor power sensor data within a laundry appliance to detect refrigerant leaks8 Oct 2026US 2026/0308832 A1Haier US Appliance Solutions, Inc.
- Self-cleaning system for a heat pump dryer8 Oct 2026US 2026/0308834 A1Whirlpool Corporation
- Door-in-door refrigerator8 Oct 2026US 2026/0308959 A1Haier Smart Home Co., Ltd.
Most cited
By later US patents
- Electroactive polymer devices1,577US 6,545,384 B1SRI International · 2003
- Electronically commutated motor1,555US 4,169,990 AGeneral Electric Company · 1979
- Automatic liquid dispenser and refrigerator with the same865US 7,661,448 B2LG Electronics Inc. · 2010
- Electronically commutated motor systems and control therefor813US 4,459,519 AGeneral Electric Company · 1984
- Refrigeration monitor unit797US 6,453,687 B2Robertshaw Controls Company · 2002