F25B 29/003
Combined heating and refrigeration systems: of the compression type system
Official title: {of the compression type system}
F25B29/003 (Combined heating and refrigeration systems: of the compression type system) appears on 578 US grants and 517 published applications in this corpus.
Search patents in F25B- Granted patents
- 578
- Published applications
- 517
- Assignees
- 283
- Inventors
- 1,194
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 7 | 0 |
| 1978 | 6 | 0 |
| 1979 | 11 | 0 |
| 1980 | 14 | 0 |
| 1981 | 27 | 0 |
| 1982 | 25 | 0 |
| 1983 | 16 | 0 |
| 1984 | 14 | 0 |
| 1985 | 15 | 0 |
| 1986 | 7 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 14 | 0 |
| 1994 | 9 | 0 |
| 1995 | 9 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 13 | 3 |
| 2002 | 10 | 5 |
| 2003 | 6 | 1 |
| 2004 | 3 | 3 |
| 2005 | 1 | 12 |
| 2006 | 4 | 7 |
| 2007 | 7 | 10 |
| 2008 | 3 | 11 |
| 2009 | 3 | 7 |
| 2010 | 6 | 19 |
| 2011 | 2 | 21 |
| 2012 | 2 | 21 |
| 2013 | 5 | 29 |
| 2014 | 6 | 45 |
| 2015 | 20 | 33 |
| 2016 | 32 | 21 |
| 2017 | 34 | 25 |
| 2018 | 24 | 27 |
| 2019 | 23 | 34 |
| 2020 | 27 | 44 |
| 2021 | 32 | 37 |
| 2022 | 23 | 20 |
| 2023 | 19 | 28 |
| 2024 | 25 | 25 |
| 2025 | 19 | 16 |
| 2026 | 8 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Control system for building equipment with secondary strong prevention11 Aug 2026US 12,704,268 B2Tyco Fire & Security GmbH
- Simultaneous heating and chilling heat pump system11 Aug 2026US 12,704,298 B2Ace Machine Design Inc.
- Refrigeration systems with a first compressor system and a second compressor system7 Jul 2026US 12,674,608 B2Hill Phoenix, Inc.
- Refrigeration system having high-efficiency loop30 Jun 2026US 12,669,272 B2Copeland Corporation
- Pressure cooker with vapor compression cooling system9 Jun 2026US 12,648,663 B2Midea Group Co., Ltd.
- Chiller/heater process fluid temperature coordination1 Oct 2026US 2026/0298516 A1Trane International Inc.
- Outdoor unit of air conditioner, and air conditioner24 Sep 2026US 2026/0287217 A1Carrier Japan Corporation
- Indirect thermal management system for new energy vehicles24 Sep 2026US 2026/0287222 A1
- System and method for energy storage30 Jul 2026US 2026/0218991 A1
- Integrated demand water heating using a capacity modulated heat pump with desuperheater25 Jun 2026US 2026/0177290 A1WaterFurnace International, Inc.
Most cited
By later US patents
- Integrated air conditioning and power unit147US 5,899,085 AMcDonnell Douglas Corporation · 1999
- Cooler device with integrated solar power and stereo system132US 6,305,185 B12001
- Residential heating, cooling and energy management system128US 4,909,041 AUHR Corporation · 1990
- Heat transfer apparatus and method employing active regenerative cycle94US 6,332,323 B1586925 B.C. Inc. · 2001
- Waste heat energy recovery system82US 4,293,323 A1981