F28F 2215/10
Secondary fins
Official title: Secondary fins, e.g. projections or recesses on main fins
F28F2215/10 (Secondary fins) appears on 176 US grants and 267 published applications in this corpus.
Search patents in F28F- Granted patents
- 176
- Published applications
- 267
- Assignees
- 159
- Inventors
- 563
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 1 |
| 2002 | 1 | 2 |
| 2003 | 2 | 1 |
| 2004 | 2 | 4 |
| 2005 | 1 | 2 |
| 2006 | 1 | 3 |
| 2007 | 4 | 6 |
| 2008 | 3 | 4 |
| 2009 | 0 | 14 |
| 2010 | 4 | 8 |
| 2011 | 2 | 5 |
| 2012 | 2 | 8 |
| 2013 | 9 | 9 |
| 2014 | 2 | 13 |
| 2015 | 3 | 9 |
| 2016 | 5 | 14 |
| 2017 | 3 | 9 |
| 2018 | 11 | 9 |
| 2019 | 7 | 22 |
| 2020 | 10 | 13 |
| 2021 | 16 | 22 |
| 2022 | 13 | 24 |
| 2023 | 16 | 29 |
| 2024 | 14 | 15 |
| 2025 | 21 | 13 |
| 2026 | 8 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cold plate and method for manufacturing cold plate6 Oct 2026US 12,753,978 B2Fujikura Ltd.
- Water tank assembly for heating device, and heating device25 Aug 2026US 12,716,614 B2Wuhu Midea Kitchen and Bath Appliances Mfg. Co., Ltd.
- Fin device, heat exchanger having the same and method for manufacturing a fin device16 Jun 2026US 12,656,068 B2Mahle International GmbH
- Heat exchanger baffles and methods for manufacturing the same19 May 2026US 12,631,409 B2Bradford White Corporation
- One-piece formed metal heat dissipation plate and heat dissipation device having same24 Mar 2026US 12,584,698 B2
- High performance lanced sine wave fin configuration6 Aug 2026US 2026/0227135 A1Carrier Corporation
- Fin architecture for promoting heat exchange16 Jul 2026US 2026/0202148 A1
- Heat exchanger material and heat exchanger for cryogenic cooling systems, and a system16 Jul 2026US 2026/0202149 A1Bluefors Oy
- Fin architecture for promoting heat transfer fluid stirring9 Jul 2026US 2026/0194313 A1
- Heat augmentation features in a cast heat exchanger7 May 2026US 2026/0126249 A1Rtx Corporation
Most cited
By later US patents
- Heat exchanger of plate fin type77US 4,729,428 AShowa Aluminum Corporation · 1988
- Heat sink with a heat pipe for spreading of heat72US 6,189,601 B1Intel Corporation · 2001
- Heat radiating plate50US 6,015,008 AMitsubishi Denki Kabushiki Kaisha · 2000
- Interleaved, immersion-cooling apparatuses and methods for cooling electronic subsystems43US 8,345,423 B2International Business Machines Corporation · 2013
- Split fin heat sink40US 6,714,415 B1Intel Corporation · 2004