F21S 45/42
Forced cooling
F21S45/42 (Forced cooling) appears on 324 US grants and 354 published applications in this corpus.
Search patents in F21S- Granted patents
- 324
- Published applications
- 354
- Assignees
- 131
- Inventors
- 647
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 2 |
| 2006 | 1 | 5 |
| 2007 | 3 | 8 |
| 2008 | 7 | 5 |
| 2009 | 4 | 19 |
| 2010 | 7 | 18 |
| 2011 | 10 | 15 |
| 2012 | 11 | 17 |
| 2013 | 8 | 10 |
| 2014 | 16 | 32 |
| 2015 | 19 | 23 |
| 2016 | 26 | 23 |
| 2017 | 21 | 27 |
| 2018 | 29 | 34 |
| 2019 | 35 | 24 |
| 2020 | 28 | 13 |
| 2021 | 24 | 20 |
| 2022 | 14 | 16 |
| 2023 | 13 | 11 |
| 2024 | 21 | 14 |
| 2025 | 12 | 9 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Vehicle lights, in particular motor vehicle headlights23 Jun 2026US 12,663,137 B2ZKW Group GmbH
- Lamp system for vehicle12 May 2026US 12,628,251 B2Hyundai Mobis Co., Ltd.
- Illumination unit having an antifogging system24 Mar 2026US 12,584,607 B2Ford Global Technologies, LLC
- LED automobile lamp10 Feb 2026US 12,546,448 B2Jiaxing Guangtai Lighting Co., Ltd.
- Temperature control module and headlight23 Dec 2025US 12,504,146 B2Mercedes-Benz Group AG
- Integrated lamp control modules24 Sep 2026US 2026/0287135 A1
- Led vehicle headlamp capable of multi sided emission23 Jul 2026US 2026/0210521 A1Dongguan G-View Lighting Technology Co., Ltd
- Waste heat recovery method and apparatus for chip, storage medium, and vehicle system18 Jun 2026US 2026/0173320 A1Zhejiang Geely Holding Group Co., Ltd.
- Led automobile lamp1 Jan 2026US 2026/0002648 A1Jiaxing Guangtai Lighting Co., Ltd.
- Vehicle lights, in particular motor vehicle headlights4 Dec 2025US 2025/0369588 A1ZKW Group GmbH
Most cited
By later US patents
- Thermal management methods and apparatus for lighting devices395US 7,344,279 B2Philips Solid-State Lighting Solutions, Inc. · 2008
- LED package methods and systems179US 7,646,029 B2Philips Solid-State Lighting Solutions, Inc. · 2010
- LED package methods and systems128US 8,080,819 B2Philips Solid-State Lighting Solutions, Inc. · 2011
- Convectively cooled headlamp assembly76US 7,329,033 B2Visteon Global Technologies, Inc. · 2008
- Headlamp for vehicle50US 7,114,837 B2Koito Manufacturing Co., Ltd. · 2006