F28F 3/027
With openings
Official title: {with openings, e.g. louvered corrugated fins; Assemblies of corrugated strips}
F28F3/027 (With openings) appears on 283 US grants and 343 published applications in this corpus.
Search patents in F28F- Granted patents
- 283
- Published applications
- 343
- Assignees
- 206
- Inventors
- 910
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 9 | 8 |
| 2002 | 7 | 8 |
| 2003 | 8 | 13 |
| 2004 | 6 | 5 |
| 2005 | 7 | 13 |
| 2006 | 8 | 13 |
| 2007 | 5 | 12 |
| 2008 | 2 | 8 |
| 2009 | 5 | 6 |
| 2010 | 2 | 11 |
| 2011 | 1 | 3 |
| 2012 | 6 | 13 |
| 2013 | 6 | 13 |
| 2014 | 5 | 7 |
| 2015 | 3 | 16 |
| 2016 | 5 | 18 |
| 2017 | 4 | 17 |
| 2018 | 16 | 18 |
| 2019 | 22 | 29 |
| 2020 | 17 | 17 |
| 2021 | 18 | 16 |
| 2022 | 12 | 24 |
| 2023 | 6 | 13 |
| 2024 | 18 | 13 |
| 2025 | 13 | 18 |
| 2026 | 11 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flexible heat dissipation device22 Sep 2026US 12,742,600 B2Wistron Corporation
- Modular double brazed phase-change material heat exchanger18 Aug 2026US 12,710,234 B2Blue Origin Manufacturing, LLC
- Heat exchanger for an electronic control unit18 Aug 2026US 12,710,237 B2Valeo Systemes Thermiques
- Fin device, heat exchanger having the same and method for manufacturing a fin device16 Jun 2026US 12,656,068 B2Mahle International GmbH
- Secondarily applied cold side features for cast heat exchanger2 Jun 2026US 12,644,655 B2Rtx Corporation
- Secondarily applied cold side features for cast heat exchanger24 Sep 2026US 2026/0287277 A1Rtx Corporation
- High performance lanced sine wave fin configuration6 Aug 2026US 2026/0227135 A1Carrier Corporation
- Heat exchanger and energy storage device6 Aug 2026US 2026/0229643 A1Huawei Digital Power Technologies Co., Ltd.
- Heat exchanger9 Jul 2026US 2026/0194301 A1Denso Corporation
- Condensing panel assembly and heat dissipation device including same2 Jul 2026US 2026/0185784 A1Kmw Inc.
Most cited
By later US patents
- Micro miniature refrigerators142US 4,392,362 AThe Board of Trustees of the Leland Stanford Junior University · 1983
- Vapor compression distillation system and method93US 5,968,321 ARidgewood WaterPure Corporation · 1999
- Heat exchanger of plate fin type77US 4,729,428 AShowa Aluminum Corporation · 1988
- Refrigerators56US 4,386,505 AThe Board of Trustees of the Leland Stanford Junior University · 1983
- Controlled reactant injection with permeable plates54US 6,749,817 B1Uop LLC · 2004