F21V 29/70
Characterised by passive heat-dissipating elements
Official title: characterised by passive heat-dissipating elements, e.g. heat-sinks
F21V29/70 (Characterised by passive heat-dissipating elements) appears on 7,623 US grants and 9,097 published applications in this corpus.
Search patents in F21V- Granted patents
- 7,623
- Published applications
- 9,097
- Assignees
- 2,479
- Inventors
- 11,007
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 8 | 0 |
| 1978 | 5 | 0 |
| 1979 | 6 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 12 | 0 |
| 1987 | 12 | 0 |
| 1988 | 12 | 0 |
| 1989 | 13 | 0 |
| 1990 | 10 | 0 |
| 1991 | 15 | 0 |
| 1992 | 19 | 0 |
| 1993 | 11 | 0 |
| 1994 | 18 | 0 |
| 1995 | 14 | 0 |
| 1996 | 13 | 0 |
| 1997 | 21 | 0 |
| 1998 | 28 | 0 |
| 1999 | 25 | 0 |
| 2000 | 28 | 0 |
| 2001 | 19 | 10 |
| 2002 | 41 | 51 |
| 2003 | 60 | 55 |
| 2004 | 38 | 89 |
| 2005 | 58 | 150 |
| 2006 | 81 | 161 |
| 2007 | 132 | 192 |
| 2008 | 99 | 278 |
| 2009 | 148 | 486 |
| 2010 | 272 | 564 |
| 2011 | 342 | 607 |
| 2012 | 380 | 711 |
| 2013 | 491 | 737 |
| 2014 | 511 | 675 |
| 2015 | 503 | 576 |
| 2016 | 509 | 587 |
| 2017 | 538 | 571 |
| 2018 | 521 | 517 |
| 2019 | 620 | 473 |
| 2020 | 529 | 459 |
| 2021 | 423 | 310 |
| 2022 | 302 | 240 |
| 2023 | 238 | 194 |
| 2024 | 216 | 170 |
| 2025 | 148 | 119 |
| 2026 | 103 | 115 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Luminaire with replaceable LED board6 Oct 2026US 12,753,907 B2Halco Lighting Technologies, LLC
- Ensemble light source6 Oct 2026US 12,756,150 B1KYOCERA SLD Laser, Inc.
- LED lamp and misuse warning module thereof29 Sep 2026US 12,747,836 B2Jiaxing Super Lighting Electric Appliance Co., Ltd
- Shoe box lamp29 Sep 2026US 12,747,851 B2Torshare Ltd.
- Recessed light fixture with LED module removably mounted therein29 Sep 2026US 12,747,853 B2Usai, LLC
- Operating lamp8 Oct 2026US 2026/0309312 A1FARO Fabbrica Apparecchiature Razionali Odontoiatriche S.p.A.
- Luminaire having a back plate with opening for relasably attached driver8 Oct 2026US 2026/0309318 A1Signify Holding B. V.
- Composite printed circuit board apparatus8 Oct 2026US 2026/0309319 A1Whelen Engineering Company, Inc.
- Led device and led light fixture8 Oct 2026US 2026/0309321 A1Shanghai Weili Advanced Electronic Technology Co., Ltd.
- Solid State Lamp Using Light Emitting Strips1 Oct 2026US 2026/0298419 A1Quarkstar LLC
Most cited
By later US patents
- LED beacon light704US 5,806,965 AR & M Deese Inc. · 1998
- LED vehicle lamp assembly654US 5,632,551 AGrote Industries, Inc. · 1997
- Lighting methods and systems641US 7,178,941 B2Color Kinetics Incorporated · 2007
- Indicators and illuminators using a semiconductor radiation emitter package518US 6,441,943 B1Gentex Corporation · 2002
- Vehicular lamp502US 4,733,335 AKoito Manufacturing Co., Ltd. · 1988