F21V 29/502
Characterised by the adaptation for cooling of specific components
Official title: characterised by the adaptation for cooling of specific components
F21V29/502 (Characterised by the adaptation for cooling of specific components) appears on 2,398 US grants and 2,918 published applications in this corpus.
Search patents in F21V- Granted patents
- 2,398
- Published applications
- 2,918
- Assignees
- 1,066
- Inventors
- 4,489
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 2 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 5 |
| 2002 | 3 | 12 |
| 2003 | 7 | 11 |
| 2004 | 10 | 16 |
| 2005 | 8 | 25 |
| 2006 | 14 | 33 |
| 2007 | 19 | 43 |
| 2008 | 22 | 58 |
| 2009 | 28 | 75 |
| 2010 | 45 | 126 |
| 2011 | 59 | 189 |
| 2012 | 95 | 228 |
| 2013 | 143 | 259 |
| 2014 | 163 | 249 |
| 2015 | 166 | 198 |
| 2016 | 207 | 169 |
| 2017 | 159 | 201 |
| 2018 | 163 | 183 |
| 2019 | 227 | 195 |
| 2020 | 227 | 176 |
| 2021 | 154 | 103 |
| 2022 | 84 | 91 |
| 2023 | 87 | 82 |
| 2024 | 93 | 89 |
| 2025 | 73 | 56 |
| 2026 | 41 | 46 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cylindrical light fixture29 Sep 2026US 12,747,855 B1
- LED lamp29 Sep 2026US 12,747,856 B2Jiaxing Super Lighting Electric Appliance Co., Ltd
- Illuminating device, imaging device and method for operating same22 Sep 2026US 12,744,988 B2KARL STORZ GmbH&Co.KG
- 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.
- Recessed lighting fixture with driver plate1 Sep 2026US 12,723,742 B1Nora Lighting, Inc.
- 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
- Integrated ceiling device with mechanical arrangement for a light source1 Oct 2026US 2026/0298440 A1Lighting Defense Group, LLC
Most cited
By later US patents
- Lighting methods and systems641US 7,178,941 B2Color Kinetics Incorporated · 2007
- Illuminating device487US 5,136,483 A1992
- Lighting units429US 5,890,794 A1999
- Lighting device349US 5,655,830 AGeneral Signal Corporation · 1997
- Methods and apparatus for illumination of liquids325US 6,781,329 B2Color Kinetics Incorporated · 2004