F28F 2215/06
Hollow fins
Official title: Hollow fins; fins with internal circuits
F28F2215/06 (Hollow fins) appears on 100 US grants and 145 published applications in this corpus.
Search patents in F28F- Granted patents
- 100
- Published applications
- 145
- Assignees
- 81
- Inventors
- 270
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 2 | 4 |
| 2006 | 0 | 2 |
| 2007 | 0 | 3 |
| 2008 | 2 | 4 |
| 2009 | 0 | 6 |
| 2010 | 1 | 8 |
| 2011 | 3 | 1 |
| 2012 | 0 | 5 |
| 2013 | 2 | 1 |
| 2014 | 2 | 6 |
| 2015 | 2 | 5 |
| 2016 | 4 | 9 |
| 2017 | 2 | 7 |
| 2018 | 5 | 8 |
| 2019 | 11 | 13 |
| 2020 | 6 | 11 |
| 2021 | 15 | 10 |
| 2022 | 12 | 10 |
| 2023 | 6 | 9 |
| 2024 | 6 | 6 |
| 2025 | 7 | 7 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heat exchanger, heat pump system and dishwasher27 Jan 2026US 12,535,274 B2Guangdong Midea White Home Appliance Technology Innovation Center Co., Ltd.
- Cooling a stator housing of an electric machine13 Jan 2026US 12,525,851 B2General Electric Company
- Vapor chamber heatsink assembly23 Dec 2025US 12,504,235 B2Cooler Master Co., Ltd.
- Apparatus for transferring heat from a heat source to air28 Oct 2025US 12,457,711 B2Huawei Technologies Co., Ltd.
- Heat dissipating device14 Oct 2025US 12,446,191 B2Purple Cloud Development Pte. Ltd.
- A plate heat exchanger, a heat exchanging plate and a method of treating a feed such as sea water6 Aug 2026US 2026/0225920 A1Alfa Laval Corporate AB
- Fin architecture for promoting heat exchange16 Jul 2026US 2026/0202148 A1
- Cooling device, lighting device for a motor vehicle, and motor vehicle26 Feb 2026US 2026/0055873 A1
- Vapor chamber heatsink assembly29 Jan 2026US 2026/0029203 A1Cooler Master Co., Ltd.
- Heat dissipating device15 Jan 2026US 2026/0020191 A1Purple Cloud Development Pte. Ltd.
Most cited
By later US patents
- Automotive lighting assembly cooling system90US 6,910,794 B2Guide Corporation · 2005
- Computer cooling system operable under the force of gravity in first orientation and against the force of gravity in second orientation81US 5,587,880 AAavid Laboratories, Inc. · 1996
- Apparatuses for dissipating heat from semiconductor devices72US 7,369,410 B2International Business Machines Corporation · 2008
- Heatpipesink having integrated heat pipe and heat sink57US 6,410,982 B1Intel Corporation · 2002
- Two-phase component cooler46US 5,458,189 AAavid Laboratories, Inc. · 1995