F28F 2250/102
With change of flow direction
Official title: with change of flow direction
F28F2250/102 (With change of flow direction) appears on 258 US grants and 215 published applications in this corpus.
Search patents in F28F- Granted patents
- 258
- Published applications
- 215
- Assignees
- 200
- Inventors
- 668
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 12 | 0 |
| 2001 | 11 | 3 |
| 2002 | 13 | 16 |
| 2003 | 8 | 20 |
| 2004 | 10 | 10 |
| 2005 | 15 | 15 |
| 2006 | 12 | 17 |
| 2007 | 8 | 9 |
| 2008 | 2 | 11 |
| 2009 | 5 | 5 |
| 2010 | 4 | 5 |
| 2011 | 5 | 5 |
| 2012 | 2 | 5 |
| 2013 | 3 | 3 |
| 2014 | 3 | 2 |
| 2015 | 5 | 0 |
| 2016 | 1 | 3 |
| 2017 | 5 | 8 |
| 2018 | 3 | 12 |
| 2019 | 9 | 11 |
| 2020 | 9 | 13 |
| 2021 | 11 | 14 |
| 2022 | 8 | 12 |
| 2023 | 10 | 11 |
| 2024 | 11 | 3 |
| 2025 | 7 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Heat exchanger core layer23 Dec 2025US 12,504,239 B2Hamilton Sundstrand Corporation
- Multifurcating heat exchanger with independent baffles21 Oct 2025US 12,449,207 B2General Electric Company
- Reversible valve for HVAC system26 Aug 2025US 12,398,929 B2Johnson Controls Light Commercial IP GmbH
- Varying topology heat sinks27 May 2025US 12,313,350 B2Hamilton Sundstrand Corporation
- Heat supplier24 Sep 2026US 2026/0287186 A1LG Electronics Inc.
- Electric arrangement, panel and heat exchanger27 Aug 2026US 2026/0251405 A1Hitachi Energy Ltd
- Heat exchanger tube bundle and related heat recovery steam generator21 Nov 2024US 2024/0384945 A1NEM Energy B.V.
- Reversible valve for hvac system4 Jul 2024US 2024/0219077 A1Tyco Fire & Security GmbH
- Multifurcating heat exchanger with independent baffles18 Apr 2024US 2024/0125556 A1General Electric Company
Most cited
By later US patents
- Cooling disk unit for use in a wafer chucking device535US 6,499,533 B2Sumitomo Heavy Industries, Ltd. · 2002
- Turbine engine with intercooler in bypass air passage118US 6,134,880 AConcepts ETI, Inc. · 2000
- Vapor compression distillation system and method93US 5,968,321 ARidgewood WaterPure Corporation · 1999
- Plastic platelet fuel cells employing integrated fluid management91US 5,863,671 AH Power Corporation · 1999
- Heat exchange assembly91US 6,745,826 B2Ail Research Inc. · 2004