F21V 31/03
Gas-tight or water-tight arrangements: with provision for venting
Official title: with provision for venting {(for vehicle head lights F21S45/33; for vehicle rear lights F21S41/192)}
F21V31/03 (Gas-tight or water-tight arrangements: with provision for venting) appears on 366 US grants and 349 published applications in this corpus.
Search patents in F21V- Granted patents
- 366
- Published applications
- 349
- Assignees
- 199
- Inventors
- 608
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 7 | 11 |
| 2003 | 9 | 9 |
| 2004 | 7 | 9 |
| 2005 | 4 | 8 |
| 2006 | 8 | 14 |
| 2007 | 10 | 6 |
| 2008 | 6 | 14 |
| 2009 | 9 | 11 |
| 2010 | 7 | 17 |
| 2011 | 8 | 13 |
| 2012 | 16 | 13 |
| 2013 | 10 | 15 |
| 2014 | 14 | 28 |
| 2015 | 15 | 18 |
| 2016 | 21 | 11 |
| 2017 | 10 | 29 |
| 2018 | 12 | 18 |
| 2019 | 25 | 11 |
| 2020 | 19 | 17 |
| 2021 | 16 | 12 |
| 2022 | 15 | 14 |
| 2023 | 20 | 18 |
| 2024 | 11 | 11 |
| 2025 | 9 | 9 |
| 2026 | 8 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Marker apparatus232US 5,580,156 AKoito Manufacturing Co., Ltd. · 1996
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