F21V 29/76
With essentially identical parallel planar fins or blades
Official title: with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
F21V29/76 (With essentially identical parallel planar fins or blades) appears on 1,772 US grants and 2,225 published applications in this corpus.
Search patents in F21V- Granted patents
- 1,772
- Published applications
- 2,225
- Assignees
- 853
- Inventors
- 3,313
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 2 |
| 2002 | 10 | 14 |
| 2003 | 11 | 11 |
| 2004 | 4 | 23 |
| 2005 | 16 | 49 |
| 2006 | 26 | 60 |
| 2007 | 35 | 63 |
| 2008 | 49 | 125 |
| 2009 | 56 | 218 |
| 2010 | 140 | 220 |
| 2011 | 132 | 179 |
| 2012 | 128 | 169 |
| 2013 | 119 | 120 |
| 2014 | 95 | 132 |
| 2015 | 104 | 98 |
| 2016 | 87 | 96 |
| 2017 | 81 | 132 |
| 2018 | 108 | 112 |
| 2019 | 132 | 83 |
| 2020 | 97 | 84 |
| 2021 | 78 | 71 |
| 2022 | 71 | 50 |
| 2023 | 46 | 38 |
| 2024 | 44 | 26 |
| 2025 | 20 | 27 |
| 2026 | 22 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Shoe box lamp29 Sep 2026US 12,747,851 B2Torshare Ltd.
- Cylindrical light fixture29 Sep 2026US 12,747,855 B1
- Heat sink for electronic component and associated manufacturing method22 Sep 2026US 12,742,541 B2Valeo Vision
- Modular multi-light source glare-shielding structure and light source module using the same8 Sep 2026US 12,729,830 B1Huizhou Hanxing Optoelectronics Technology Co., Ltd.
- Integrated lighting module1 Sep 2026US 12,723,747 B2AMP Plus, Inc.
- Operating lamp8 Oct 2026US 2026/0309312 A1FARO Fabbrica Apparecchiature Razionali Odontoiatriche S.p.A.
- Lighting device1 Oct 2026US 2026/0298446 A1Koito Manufacturing Co., Ltd.
- Led luminaire thermal management system1 Oct 2026US 2026/0298456 A1FOHSE Inc.
- Integrated lighting module1 Oct 2026US 2026/0298457 A1AMP Plus, Inc.
- Compact adjustable downlight fixture10 Sep 2026US 2026/0266440 A1Signify Holding B. V.
Most cited
By later US patents
- Indicators and illuminators using a semiconductor radiation emitter package518US 6,441,943 B1Gentex Corporation · 2002
- LED lamp with reflector and multicolor adjuster484US 6,149,283 ARensselaer Polytechnic Institute (RPI) · 2000
- Thermal management system for L.E.D. arrays482US 5,857,767 ARelume Corporation · 1999
- Signal light unit having heat dissipating function456US 4,729,076 A1988
- High output radial dispersing lamp using a solid state light source438US 6,350,041 B1Cree Lighting Company · 2002