F28D 9/0068
With means for changing flow direction of one heat exchange medium
Official title: {with means for changing flow direction of one heat exchange medium, e.g. using deflecting zones}
F28D9/0068 (With means for changing flow direction of one heat exchange medium) appears on 232 US grants and 243 published applications in this corpus.
Search patents in F28D- Granted patents
- 232
- Published applications
- 243
- Assignees
- 151
- Inventors
- 610
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 11 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 2 |
| 2002 | 7 | 8 |
| 2003 | 5 | 8 |
| 2004 | 8 | 9 |
| 2005 | 7 | 8 |
| 2006 | 7 | 4 |
| 2007 | 2 | 6 |
| 2008 | 4 | 6 |
| 2009 | 0 | 3 |
| 2010 | 2 | 6 |
| 2011 | 4 | 6 |
| 2012 | 1 | 5 |
| 2013 | 1 | 6 |
| 2014 | 2 | 7 |
| 2015 | 5 | 9 |
| 2016 | 6 | 13 |
| 2017 | 5 | 12 |
| 2018 | 8 | 16 |
| 2019 | 10 | 15 |
| 2020 | 12 | 19 |
| 2021 | 15 | 19 |
| 2022 | 10 | 14 |
| 2023 | 8 | 19 |
| 2024 | 17 | 5 |
| 2025 | 13 | 12 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Gas treatment component19 May 2026US 12,631,400 B2Bosal Flanders NV
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- Heat exchanger having plate members30 Dec 2025US 12,510,301 B2Denso Corporation
- Device for thermal regulation, in particular for cooling27 Aug 2026US 2026/0251399 A1Valeo Systemes Thermiques
- Combined condenser-evaporator9 Jul 2026US 2026/0194271 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- A heat exchanger2 Apr 2026US 2026/0092743 A1Alfa Laval Corporate AB
- A heat exchanger19 Mar 2026US 2026/0078966 A1Alfa Laval Vicarb SAS
- Method for managing a process engineering facility19 Feb 2026US 2026/0049773 A1Linde Aktiengesellschaft
Most cited
By later US patents
- Integrated plate-fin heat exchange reformation84US 5,324,452 AAir Products and Chemicals, Inc. · 1994
- Heat exchanger with rectification effect51US 3,992,168 AKobe Steel, Ltd. · 1976
- Stackable energy transfer core spacer48US 7,331,376 B2Venmar Ventilation Inc. · 2008
- Flat heat exchanger plate and bulk material heat exchanger using the same47US 7,093,649 B22006
- Condenser heat exchanger43US 5,915,469 ATAT Aero Equipment Industries Ltd. · 1999