F21V 31/04
Provision of filling media
F21V31/04 (Provision of filling media) appears on 401 US grants and 435 published applications in this corpus.
Search patents in F21V- Granted patents
- 401
- Published applications
- 435
- Assignees
- 263
- Inventors
- 763
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 7 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 4 | 10 |
| 2003 | 8 | 2 |
| 2004 | 11 | 16 |
| 2005 | 7 | 15 |
| 2006 | 8 | 16 |
| 2007 | 18 | 13 |
| 2008 | 6 | 19 |
| 2009 | 7 | 13 |
| 2010 | 18 | 27 |
| 2011 | 21 | 30 |
| 2012 | 22 | 27 |
| 2013 | 20 | 28 |
| 2014 | 25 | 32 |
| 2015 | 20 | 25 |
| 2016 | 17 | 13 |
| 2017 | 20 | 22 |
| 2018 | 17 | 18 |
| 2019 | 21 | 13 |
| 2020 | 14 | 15 |
| 2021 | 17 | 17 |
| 2022 | 21 | 13 |
| 2023 | 14 | 19 |
| 2024 | 18 | 16 |
| 2025 | 10 | 8 |
| 2026 | 7 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Waterproof mini led module2 Jul 2026US 2026/0185692 A1Rishang Optoelectronics Co., Ltd.
- Lamp assembly, and apparatus and method for manufacturing lamp assembly21 May 2026US 2026/0139823 A1Hyundai Motor Company
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Most cited
By later US patents
- Signal light unit having heat dissipating function456US 4,729,076 A1988
- Integrally formed linear light strip with light emitting diodes362US 5,848,837 AStanTech · 1998
- Methods and apparatus for sensor responsive illumination of liquids279US 6,774,584 B2Color Kinetics Incorporated · 2004
- Illumination device for simulation of neon lighting249US 6,592,238 B2Light Technologies, Inc. · 2003
- Illumination device for simulating neon or similar lighting using phosphorescent dye242US 7,264,366 B2iLight Technologies, Inc. · 2007