F28D 2021/0089
Oil coolers
Official title: {Oil coolers}
F28D2021/0089 (Oil coolers) appears on 290 US grants and 337 published applications in this corpus.
Search patents in F28D- Granted patents
- 290
- Published applications
- 337
- Assignees
- 157
- Inventors
- 733
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 10 | 0 |
| 2001 | 9 | 2 |
| 2002 | 4 | 2 |
| 2003 | 2 | 5 |
| 2004 | 2 | 3 |
| 2005 | 3 | 20 |
| 2006 | 10 | 11 |
| 2007 | 7 | 17 |
| 2008 | 4 | 16 |
| 2009 | 6 | 10 |
| 2010 | 11 | 6 |
| 2011 | 4 | 8 |
| 2012 | 4 | 20 |
| 2013 | 3 | 17 |
| 2014 | 3 | 9 |
| 2015 | 5 | 7 |
| 2016 | 12 | 22 |
| 2017 | 19 | 27 |
| 2018 | 15 | 33 |
| 2019 | 31 | 21 |
| 2020 | 17 | 28 |
| 2021 | 19 | 13 |
| 2022 | 19 | 5 |
| 2023 | 8 | 13 |
| 2024 | 4 | 6 |
| 2025 | 8 | 8 |
| 2026 | 5 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vacuum spray boiler26 May 2026US 12,638,244 B2Blue Origin Manufacturing, LLC
- Heat exchanger31 Mar 2026US 12,590,764 B2Mahle International GmbH
- Heat exchanger dimple configuration31 Mar 2026US 12,590,765 B2Modine Manufacturing Company
- Attachment structure for heat exchanger3 Feb 2026US 12,540,781 B2T. Rad Co., Ltd.
- Oil temperature management assembly6 Jan 2026US 12,516,616 B2Ufi Innovation Center S.R.L.
- Oil temperature regulation assembly3 Sep 2026US 2026/0258739 A1
- Oil cooler2 Jul 2026US 2026/0185781 A1Mahle Filter Systems Japan Corporation
- Tube for a heat exchanger5 Mar 2026US 2026/0063373 A1Valeo Systemes Thermiques
- Heat exchanger module26 Feb 2026US 2026/0055967 A1Mahle International GmbH
- Oil radiator and oil cooler assembly thereof26 Feb 2026US 2026/0055974 A1Zhejiang Letuhui Auto Parts Co., Ltd.
Most cited
By later US patents
- Cooling system for work vehicle72US 6,129,056 ACase Corporation · 2000
- Motor vehicle exhaust gas heat exchanger for heating engine coolant and lubricating oil57US 4,685,430 AValeo · 1987
- Compact heat exchanger-ventilation unit for a vehicle55US 5,234,051 AKlockner-Humboldt-Deutz Aktiengesellschaft · 1993
- Multiple fluid heat exchanger54US 4,327,802 ABorg-Warner Corporation · 1982
- Swing-up radiator and oil cooler assembly54US 4,696,361 AOwatonna Manufacturing Company, Inc. · 1987