F28D 7/1661
With particular pattern of flow of the heat exchange media
Official title: {with particular pattern of flow of the heat exchange media, e.g. change of flow direction}
F28D7/1661 (With particular pattern of flow of the heat exchange media) appears on 28 US grants and 37 published applications in this corpus.
Search patents in F28D- Granted patents
- 28
- Published applications
- 37
- Assignees
- 40
- Inventors
- 110
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 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 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 2 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 2 |
| 2016 | 0 | 5 |
| 2017 | 2 | 3 |
| 2018 | 2 | 2 |
| 2019 | 4 | 2 |
| 2020 | 2 | 3 |
| 2021 | 1 | 4 |
| 2022 | 3 | 1 |
| 2023 | 0 | 2 |
| 2024 | 2 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Multifurcating heat exchanger with independent baffles21 Oct 2025US 12,449,207 B2General Electric Company
- Heat exchanger22 Oct 2024US 12,123,663 B2DENSO Marston Ltd.
- Heat exchanger16 Jan 2024US 11,874,075 B2Honda Motor Co., Ltd.
- Water heater29 Nov 2022US 11,512,871 B2Noritz Corporation
- Heat exchanger riblet and turbulator features for improved manufacturability and performance19 Apr 2022US 11,306,979 B2Hamilton Sundstrand Corporation
- Heat exchanger3 Oct 2024US 2024/0328719 A1Valeo Autosystemy Sp. z o.o.
- Multifurcating heat exchanger with independent baffles18 Apr 2024US 2024/0125556 A1General Electric Company
- Heat exchanger23 Mar 2023US 2023/0089621 A1Mitsubishi Heavy Industries, Ltd.
- Heat exchanger26 Jan 2023US 2023/0023039 A1DENSO Marston Ltd.
- Heat exchanger6 Oct 2022US 2022/0316819 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Heat exchanger assembly44US 4,415,024 AJoy Manufacturing Company · 1983
- Refrigeration apparatus12US 4,365,487 ALuke Co., Ltd. · 1982
- Heat recovery apparatus10US 4,930,571 AIndustrial Energy Corporation · 1990
- Heat exchanger10US 7,267,160 B2T. Rad Co., Ltd. · 2007
- Heat exchanger for gases under high pressure7US 4,807,698 AKrupp-Koppers GmbH · 1989