F25B 40/00
Subcoolers, desuperheaters or superheaters
F25B40/00 (Subcoolers, desuperheaters or superheaters) appears on 1,749 US grants and 1,932 published applications in this corpus.
Search patents in F25B- Granted patents
- 1,749
- Published applications
- 1,932
- Assignees
- 614
- Inventors
- 3,405
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 7 | 0 |
| 1980 | 10 | 0 |
| 1981 | 5 | 0 |
| 1982 | 9 | 0 |
| 1983 | 5 | 0 |
| 1984 | 7 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 9 | 0 |
| 1988 | 8 | 0 |
| 1989 | 8 | 0 |
| 1990 | 15 | 0 |
| 1991 | 8 | 0 |
| 1992 | 20 | 0 |
| 1993 | 25 | 0 |
| 1994 | 12 | 0 |
| 1995 | 20 | 0 |
| 1996 | 16 | 0 |
| 1997 | 28 | 0 |
| 1998 | 18 | 0 |
| 1999 | 30 | 0 |
| 2000 | 27 | 0 |
| 2001 | 45 | 10 |
| 2002 | 53 | 37 |
| 2003 | 48 | 41 |
| 2004 | 36 | 58 |
| 2005 | 47 | 75 |
| 2006 | 37 | 67 |
| 2007 | 37 | 60 |
| 2008 | 24 | 55 |
| 2009 | 26 | 43 |
| 2010 | 30 | 59 |
| 2011 | 24 | 56 |
| 2012 | 23 | 46 |
| 2013 | 18 | 54 |
| 2014 | 28 | 66 |
| 2015 | 30 | 89 |
| 2016 | 43 | 102 |
| 2017 | 75 | 111 |
| 2018 | 97 | 97 |
| 2019 | 106 | 103 |
| 2020 | 101 | 105 |
| 2021 | 75 | 119 |
| 2022 | 103 | 117 |
| 2023 | 84 | 113 |
| 2024 | 115 | 112 |
| 2025 | 90 | 84 |
| 2026 | 40 | 53 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- CO2 refrigeration system with superheat control22 Sep 2026US 12,742,574 B2Hill Phoenix, Inc.
- Energy storage device and method based on carbon dioxide gas-liquid phase change25 Aug 2026US 12,716,659 B2Exa Energy Technology (Shenzhen) Co. Ltd.
- Stirling refrigeration system11 Aug 2026US 12,704,297 B2Carrier Corporation
- Simultaneous heating and chilling heat pump system11 Aug 2026US 12,704,298 B2Ace Machine Design Inc.
- Refrigeration system and the control method thereof11 Aug 2026US 12,704,301 B2Carrier Corporation
- Heat pump module, plant comprising such heat pump module and method for heating a substance8 Oct 2026US 2026/0309379 A1Snf Group
- Heat Pump Systems and Methods17 Sep 2026US 2026/0276247 A1AtmosZero, Inc.
- System for Controlling A Defrost of a Dual Flow Heat Exchanger10 Sep 2026US 2026/0266520 A1Mahle International GmbH
- Dilution refrigerator3 Sep 2026US 2026/0258988 A1Oxford NanoScience Limited
- Condensing device and heat pump system comprising same20 Aug 2026US 2026/0243480 A1
Most cited
By later US patents
- Economizer control with variable capacity193US 5,095,712 ACarrier Corporation · 1992
- Fan motor on/off control system for a refrigeration appliance176US 5,918,474 AWhirlpool Corporation · 1999
- Air conditioner and controller for active dehumidification while using ambient air to prevent overcooling159US 6,427,454 B12002
- Cryosurgical system and method146US 6,306,129 B1FemRx, Inc. · 2001
- Geothermal heat pump system116US 5,758,514 AEnvirotherm Heating & Cooling Systems, Inc. · 1998