F28D 2021/004
For engine or machine cooling systems
Official title: {for engine or machine cooling systems}
F28D2021/004 (For engine or machine cooling systems) appears on 39 US grants and 64 published applications in this corpus.
Search patents in F28D- Granted patents
- 39
- Published applications
- 64
- Assignees
- 49
- Inventors
- 150
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 3 |
| 2015 | 1 | 2 |
| 2016 | 0 | 1 |
| 2017 | 0 | 3 |
| 2018 | 1 | 10 |
| 2019 | 4 | 7 |
| 2020 | 8 | 6 |
| 2021 | 6 | 3 |
| 2022 | 3 | 9 |
| 2023 | 4 | 4 |
| 2024 | 4 | 5 |
| 2025 | 3 | 6 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Movable heat pipe heat sink device configured to move into and out of contact with an apparatus8 Sep 2026US 12,729,917 B2The Boeing Company
- Vacuum spray boiler26 May 2026US 12,638,244 B2Blue Origin Manufacturing, LLC
- Heat exchanger and energy conversion device assembly including the same14 Apr 2026US 12,603,539 B2
- Cooling a stator housing of an electric machine13 Jan 2026US 12,525,851 B2General Electric Company
- Heat exchanger assembly formed of a lattice structure with a plurality of shell structure unit cells7 Oct 2025US 12,435,932 B2General Electric Company
- Vacuum spray boiler3 Sep 2026US 2026/0259011 A1Blue Origin Manufacturing, LLC
- Heat exchanger device for an aircraft engine comprising a fuel-oil heat exchanger16 Jul 2026US 2026/0201835 A1Rolls-Royce Deutschland Ltd & Co KG
- Method of manufacturing heat accumulator, and heat accumulator16 Jul 2026US 2026/0202140 A1Central Motor Wheel Co., Ltd.
- Hinged coolers23 Apr 2026US 2026/0110502 A1Sullair Corporation
- Smart modules for a top-mounted plate cooler of a dynamoelectric machine1 Jan 2026US 2026/0005583 A1Innomotics GmbH
Most cited
By later US patents
- Heat exchanger unit13US 10,514,205 B2Forum US, Inc. · 2019
- Heated inlet of a crankcase ventilation system6US 10,876,445 B2Caterpillar Inc. · 2020
- Heat exchanger for water pumping system6US 4,351,391 AHale Fire Pump Company · 1982
- Gas turbine engine having a heat absorption device utilizing phase change material4US 10,627,167 B2General Electric Company · 2020
- Cooling fan module3US 10,844,770 B2Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg · 2020