F21S 45/30
Ventilation or drainage of lighting devices
F21S45/30 (Ventilation or drainage of lighting devices) appears on 352 US grants and 296 published applications in this corpus.
Search patents in F21S- Granted patents
- 352
- Published applications
- 296
- Assignees
- 146
- Inventors
- 737
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 7 | 0 |
| 1989 | 10 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 9 | 0 |
| 1997 | 11 | 0 |
| 1998 | 8 | 0 |
| 1999 | 2 | 0 |
| 2000 | 10 | 0 |
| 2001 | 10 | 3 |
| 2002 | 7 | 12 |
| 2003 | 7 | 7 |
| 2004 | 5 | 3 |
| 2005 | 2 | 4 |
| 2006 | 2 | 15 |
| 2007 | 9 | 3 |
| 2008 | 5 | 7 |
| 2009 | 4 | 8 |
| 2010 | 3 | 13 |
| 2011 | 3 | 12 |
| 2012 | 10 | 6 |
| 2013 | 9 | 7 |
| 2014 | 7 | 18 |
| 2015 | 12 | 21 |
| 2016 | 10 | 19 |
| 2017 | 17 | 18 |
| 2018 | 17 | 25 |
| 2019 | 27 | 24 |
| 2020 | 18 | 7 |
| 2021 | 12 | 16 |
| 2022 | 11 | 12 |
| 2023 | 12 | 11 |
| 2024 | 12 | 4 |
| 2025 | 15 | 10 |
| 2026 | 10 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Vehicle vent patches25 Aug 2026US 12,716,567 B2Ford Global Technologies, LLC
- Vehicle lamp and vehicle28 Jul 2026US 12,692,996 B2Isuzu Motors Limited
- Dehumidifier of lamp for vehicle and lamp including the same30 Jun 2026US 12,669,231 B2Hyundai Motor Company
- Dehumidifier for lamp of vehicle and lamp including the same30 Jun 2026US 12,669,232 B2Hvs
- Vehicle lights, in particular motor vehicle headlights23 Jun 2026US 12,663,137 B2ZKW Group GmbH
- Integrated lamp control modules24 Sep 2026US 2026/0287135 A1
- Vehicular headlamp30 Jul 2026US 2026/0217183 A1Koito Manufacturing Co., Ltd.
- Desiccant holding means for vehicle lamp, vehicle lamp and motor vehicle2 Jul 2026US 2026/0185677 A1Valeo Vision
- Pcb vehicle front road lighting lamp with led angle4 Jun 2026US 2026/0153217 A1Serdar Plastik Sanayi Ve Ticaret A.S.
- Dehumidifier of lamp for vehicle and lamp including the same21 May 2026US 2026/0139811 A1Hvs
Most cited
By later US patents
- Vehicular lamp502US 4,733,335 AKoito Manufacturing Co., Ltd. · 1988
- Illuminating device487US 5,136,483 A1992
- LED lamp assembly with means to conduct heat away from the LEDS470US 6,045,240 ARelume Corporation · 2000
- Thermally protected LED array337US 5,785,418 A1998
- Gas-permeable, liquid-impermeable vent cover122US 5,522,769 AW. L. Gore & Associates, Inc. · 1996