F28F 2215/04
Assemblies of fins having different features
Official title: Assemblies of fins having different features, e.g. with different fin densities
F28F2215/04 (Assemblies of fins having different features) appears on 307 US grants and 488 published applications in this corpus.
Search patents in F28F- Granted patents
- 307
- Published applications
- 488
- Assignees
- 261
- Inventors
- 1,156
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 2 |
| 2002 | 5 | 5 |
| 2003 | 4 | 8 |
| 2004 | 6 | 5 |
| 2005 | 4 | 9 |
| 2006 | 5 | 7 |
| 2007 | 3 | 9 |
| 2008 | 6 | 8 |
| 2009 | 4 | 12 |
| 2010 | 4 | 11 |
| 2011 | 5 | 26 |
| 2012 | 7 | 14 |
| 2013 | 12 | 28 |
| 2014 | 5 | 19 |
| 2015 | 6 | 17 |
| 2016 | 13 | 23 |
| 2017 | 8 | 27 |
| 2018 | 16 | 25 |
| 2019 | 28 | 38 |
| 2020 | 24 | 27 |
| 2021 | 18 | 34 |
| 2022 | 22 | 33 |
| 2023 | 23 | 22 |
| 2024 | 26 | 30 |
| 2025 | 16 | 34 |
| 2026 | 10 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Continuously variable transmission22 Sep 2026US 12,742,495 B2Polaris Industries Inc.
- Evaporative condenser15 Sep 2026US 12,736,258 B2Kyungdong Navien Co., Ltd.
- Heat exchanger23 Jun 2026US 12,663,223 B2Daikin Industries, 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 with aluminum alloy clad tube and method of manufacture31 Mar 2026US 12,590,769 B2Carrier Corporation
- Heat exchanger24 Sep 2026US 2026/0287275 A1Daikin Industries, Ltd.
- Three-dimension heat transfer device10 Sep 2026US 2026/0266554 A1Purple Cloud Development Pte. Ltd.
- Heat exchanger27 Aug 2026US 2026/0251397 A1
- Heat exchanger with variable base thickness and fin height23 Jul 2026US 2026/0214867 A1Denso Corporation
- Heat exchange promotion member and heat exchanger25 Jun 2026US 2026/0177329 A1Atago Manufacturing Co., Ltd.
Most cited
By later US patents
- Fluid-cooled heat sink with turbulence-enhancing support pins195US 6,729,383 B1The United States of America as represented by the Secretary of the Navy · 2004
- Immersion cooled circuit module with improved fins125US 4,765,397 AInternational Business Machines Corporation · 1988
- Heat-pipe type cooling apparatus84US 5,651,414 AHitachi Cable, Ltd. · 1997
- Pin fin heat sink and pin fin arrangement therein71US 6,173,758 B1General Motors Corporation · 2001
- Electric space heater employing a vaporizable heat exchange fluid50US 4,567,351 AMatsushita Electric Works, Ltd. · 1986