F28F 9/0234
Having a second heat exchanger disposed there within
Official title: {having a second heat exchanger disposed there within, e.g. oil cooler}
F28F9/0234 (Having a second heat exchanger disposed there within) appears on 111 US grants and 102 published applications in this corpus.
Search patents in F28F- Granted patents
- 111
- Published applications
- 102
- Assignees
- 76
- Inventors
- 301
- Latest grant
- 16 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 10 | 1 |
| 2002 | 2 | 1 |
| 2003 | 1 | 4 |
| 2004 | 1 | 3 |
| 2005 | 1 | 9 |
| 2006 | 4 | 8 |
| 2007 | 3 | 7 |
| 2008 | 1 | 6 |
| 2009 | 3 | 4 |
| 2010 | 1 | 3 |
| 2011 | 3 | 3 |
| 2012 | 2 | 6 |
| 2013 | 1 | 2 |
| 2014 | 0 | 6 |
| 2015 | 2 | 4 |
| 2016 | 1 | 6 |
| 2017 | 4 | 4 |
| 2018 | 3 | 4 |
| 2019 | 6 | 3 |
| 2020 | 3 | 3 |
| 2021 | 1 | 1 |
| 2022 | 2 | 4 |
| 2023 | 3 | 4 |
| 2024 | 3 | 1 |
| 2025 | 3 | 3 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Air conditioning system, and heat exchange system for heat dissipation of electronic control assembly of air conditioning system3 Jun 2025US 12,320,532 B2Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd.
- Plate heat exchanger and its use as liquefied natural gas vaporizer25 Mar 2025US 12,259,197 B2Vahterus Oy
- Fractal heat transfer device3 Sep 2024US 12,078,432 B2Fractal Heatsink Technologies LLC
- Air conditioning system23 Apr 2024US 11,965,662 B2HVPS Holdings (PTY) Limited
- Heat exchanger device for an aircraft engine comprising a fuel-oil heat exchanger16 Jul 2026US 2026/0201835 A1Rolls-Royce Deutschland Ltd & Co KG
- Heat exchanger18 Jun 2026US 2026/0168705 A1Sanden Corporation
- Feature for subfreezing heat exchanger17 Jul 2025US 2025/0229595 A1Hamilton Sundstrand Corporation
- Heat exchanger and clothing processing equipment having the same15 May 2025US 2025/0155204 A1
- Thermal management assembly and battery thermal management system20 Feb 2025US 2025/0062442 A1Valeo Systemes Thermiques
Most cited
By later US patents
- Combination radiator and condenser apparatus for motor vehicle55US 5,009,262 AGeneral Motors Corporation · 1991
- In tank oil cooler44US 5,538,077 ALong Manufacturing Ltd. · 1996
- Vehicular cooling system and liquid cooled condenser therefor26US 5,408,843 AModine Manufacturing Company · 1995
- Fluid coupling assembly25US 4,538,679 A1985
- Exhaust cooling system for internal combustion engine25US 4,685,292 AZwick Energy Research Organization, Inc. · 1987