F21V 29/77
With essentially identical diverging planar fins or blades
Official title: with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
F21V29/77 (With essentially identical diverging planar fins or blades) appears on 1,495 US grants and 1,898 published applications in this corpus.
Search patents in F21V- Granted patents
- 1,495
- Published applications
- 1,898
- Assignees
- 659
- Inventors
- 2,552
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 4 | 7 |
| 2003 | 7 | 6 |
| 2004 | 9 | 18 |
| 2005 | 8 | 23 |
| 2006 | 16 | 21 |
| 2007 | 17 | 39 |
| 2008 | 19 | 57 |
| 2009 | 24 | 119 |
| 2010 | 75 | 167 |
| 2011 | 80 | 174 |
| 2012 | 114 | 210 |
| 2013 | 127 | 185 |
| 2014 | 131 | 161 |
| 2015 | 128 | 103 |
| 2016 | 109 | 127 |
| 2017 | 119 | 78 |
| 2018 | 83 | 70 |
| 2019 | 90 | 77 |
| 2020 | 106 | 92 |
| 2021 | 68 | 46 |
| 2022 | 43 | 34 |
| 2023 | 40 | 33 |
| 2024 | 29 | 24 |
| 2025 | 17 | 13 |
| 2026 | 8 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ensemble light source6 Oct 2026US 12,756,150 B1KYOCERA SLD Laser, Inc.
- LED lamp29 Sep 2026US 12,747,856 B2Jiaxing Super Lighting Electric Appliance Co., Ltd
- Lighting apparatus21 Jul 2026US 12,685,609 B2Ronin Surgical Corp.
- Integrated ceiling device with mechanical arrangement for a light source14 Jul 2026US 12,680,668 B2Lighting Defense Group, LLC
- Illumination device26 May 2026US 12,638,168 B2Japan Display Inc.
- Integrated ceiling device with mechanical arrangement for a light source1 Oct 2026US 2026/0298440 A1Lighting Defense Group, LLC
- Surgical eyewear lighting systems and methods3 Sep 2026US 2026/0256542 A1Hawkeye Surgical Lighting, Inc.
- Led lamp13 Aug 2026US 2026/0235284 A1Jiaxing Super Lighting Electric Appliance Co., Ltd
- A lamp with active cooling6 Aug 2026US 2026/0227060 A1Signify Holding B. V.
- Light fixtures having waveguides and related methods6 Aug 2026US 2026/0227559 A1Lucifer Lighting Company
Most cited
By later US patents
- Thermal management methods and apparatus for lighting devices395US 7,344,279 B2Philips Solid-State Lighting Solutions, Inc. · 2008
- LED-based modular lamp372US 6,787,999 B2GELcore, LLC · 2004
- LED-based fixtures and related methods for thermal management313US 7,828,465 B2Koninlijke Philips Electronis N.V. · 2010
- LED lamp heat sink310US 7,144,135 B2Philips Lumileds Lighting Company, LLC · 2006
- LED light299US 7,524,089 B2Daejin DMP Co., Ltd. · 2009