F21V 9/12
With liquid-filled chambers
Official title: with liquid-filled chambers
F21V9/12 (With liquid-filled chambers) appears on 54 US grants and 40 published applications in this corpus.
Search patents in F21V- Granted patents
- 54
- Published applications
- 40
- Assignees
- 25
- Inventors
- 84
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 4 |
| 2010 | 4 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 4 | 8 |
| 2015 | 2 | 2 |
| 2016 | 5 | 2 |
| 2017 | 1 | 3 |
| 2018 | 2 | 0 |
| 2019 | 2 | 3 |
| 2020 | 3 | 2 |
| 2021 | 1 | 1 |
| 2022 | 3 | 1 |
| 2023 | 0 | 2 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cymatic projection systems, methods and devices9 Jun 2026US 12,650,210 B2
- Novelty display platform20 Feb 2024US 11,908,348 B2
- Aeronautical light aid for vertical takeoff and landing27 Dec 2022US 11,535,395 B2Korea Airports Corporation
- Illuminated kinetic artwork display apparatus29 Nov 2022US 11,512,835 B1
- Light emitting device including variable transmission film to control intensity and pattern17 May 2022US 11,333,323 B2E Ink Corporation
- Cymatic projection systems, methods and devices17 Oct 2024US 2024/0345426 A1
- Novelty display platform7 Dec 2023US 2023/0395002 A1
- Water-globe decoration light-and-shadow pedestal structure2 Feb 2023US 2023/0029581 A1
- Aeronautical light aid for vertical takeoff and landing3 Feb 2022US 2022/0033105 A1Korea Airports Corporation
- Light emitting device including variable transmission film to control intensity and pattern18 Feb 2021US 2021/0048170 A1E Ink Corporation
Most cited
By later US patents