F25B 39/04
Condensers
F25B39/04 (Condensers) appears on 1,153 US grants and 1,265 published applications in this corpus.
Search patents in F25B- Granted patents
- 1,153
- Published applications
- 1,265
- Assignees
- 482
- Inventors
- 2,728
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 9 | 0 |
| 1978 | 5 | 0 |
| 1979 | 7 | 0 |
| 1980 | 5 | 0 |
| 1981 | 8 | 0 |
| 1982 | 4 | 0 |
| 1983 | 11 | 0 |
| 1984 | 5 | 0 |
| 1985 | 8 | 0 |
| 1986 | 3 | 0 |
| 1987 | 10 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 9 | 0 |
| 1992 | 13 | 0 |
| 1993 | 14 | 0 |
| 1994 | 12 | 0 |
| 1995 | 16 | 0 |
| 1996 | 18 | 0 |
| 1997 | 16 | 0 |
| 1998 | 21 | 0 |
| 1999 | 29 | 0 |
| 2000 | 17 | 0 |
| 2001 | 23 | 7 |
| 2002 | 41 | 31 |
| 2003 | 24 | 24 |
| 2004 | 20 | 28 |
| 2005 | 25 | 45 |
| 2006 | 33 | 26 |
| 2007 | 12 | 14 |
| 2008 | 10 | 30 |
| 2009 | 3 | 31 |
| 2010 | 14 | 22 |
| 2011 | 7 | 26 |
| 2012 | 9 | 27 |
| 2013 | 9 | 36 |
| 2014 | 14 | 39 |
| 2015 | 25 | 47 |
| 2016 | 17 | 64 |
| 2017 | 42 | 58 |
| 2018 | 46 | 85 |
| 2019 | 74 | 93 |
| 2020 | 72 | 80 |
| 2021 | 63 | 77 |
| 2022 | 68 | 102 |
| 2023 | 74 | 72 |
| 2024 | 77 | 96 |
| 2025 | 59 | 53 |
| 2026 | 35 | 52 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Indoor unit of air conditioner29 Sep 2026US 12,747,871 B2Fujitsu General Limited
- Condenser15 Sep 2026US 12,736,257 B2Tyco Fire & Security GmbH
- Evaporative condenser15 Sep 2026US 12,736,258 B2Kyungdong Navien Co., Ltd.
- Refrigeration and heat pump systems with pressure exchangers1 Sep 2026US 12,723,782 B2Energy Recovery, Inc.
- Systems and methods for a refrigeration system with indirect evaporative heat exchanger18 Aug 2026US 12,710,208 B2Effecterra, Inc.
- Heat dissipation apparatus8 Oct 2026US 2026/0309380 A1Kmw Inc.
- Heat exchanger for an hvac&r system1 Oct 2026US 2026/0298557 A1Tyco Fire & Security GmbH
- Heat pump24 Sep 2026US 2026/0287223 A1LG Electronics Inc.
- H.e.w. array commercial cooling system24 Sep 2026US 2026/0287226 A1
- Control method and system for heat exchange unit17 Sep 2026US 2026/0276246 A1Contemporary Amperex Technology Co., Limited
Most cited
By later US patents
- Compact avionics-pod-cooling unit thermal control method and apparatus95US 6,205,803 B1Mainstream Engineering Corporation · 2001
- Condenser for use in a car cooling system81US 4,825,941 AShowa Aluminum Corporation · 1989
- Receiver-integrated refrigerant condenser67US 5,546,761 ANippondenso Co., Ltd. · 1996
- Method and apparatus for applying dual centrifugal compressors to a refrigeration chiller unit66US 5,875,637 AYork International Corporation · 1999
- Spray cooling system66US 6,205,799 B1Hewlett-Packard Company · 2001