F21K 9/65
Specially adapted for changing the characteristics or the distribution of the light
Official title: specially adapted for changing the characteristics or the distribution of the light, e.g. by adjustment of parts
F21K9/65 (Specially adapted for changing the characteristics or the distribution of the light) appears on 437 US grants and 537 published applications in this corpus.
Search patents in F21K- Granted patents
- 437
- Published applications
- 537
- Assignees
- 247
- Inventors
- 897
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 3 |
| 2004 | 3 | 2 |
| 2005 | 3 | 4 |
| 2006 | 2 | 5 |
| 2007 | 3 | 4 |
| 2008 | 5 | 7 |
| 2009 | 5 | 22 |
| 2010 | 3 | 15 |
| 2011 | 16 | 29 |
| 2012 | 19 | 31 |
| 2013 | 18 | 47 |
| 2014 | 24 | 68 |
| 2015 | 45 | 47 |
| 2016 | 36 | 22 |
| 2017 | 32 | 24 |
| 2018 | 24 | 33 |
| 2019 | 33 | 43 |
| 2020 | 33 | 39 |
| 2021 | 43 | 26 |
| 2022 | 27 | 18 |
| 2023 | 17 | 14 |
| 2024 | 15 | 13 |
| 2025 | 23 | 15 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Solid state lamp using light emitting strips25 Nov 2025US 12,480,626 B2Quarkstar LLC
- Adjustable recessed light fixture25 Nov 2025US 12,480,642 B2Feit Electric Company, Inc.
- Solid State Lamp Using Light Emitting Strips1 Oct 2026US 2026/0298419 A1Quarkstar LLC
- Laser-phosphor engine with rotating converter20 Aug 2026US 2026/0243398 A1Signify Holding B. V.
- Lighting fixtures having a rotatable illuminable assembly and methods for providing illumination9 Jul 2026US 2026/0194193 A1Wangs Alliance Corporation
- Lamp and lighting equipment26 Mar 2026US 2026/0085816 A1Astera Manufacturing Limited
- Lighting apparatus25 Dec 2025US 2025/0389395 A1Leedarson Lighting Co., Ltd.
Most cited
By later US patents
- Light emitting diode lamp441US 5,575,459 AUniglo Canada Inc. · 1996
- LED-based modular lamp372US 6,787,999 B2GELcore, LLC · 2004
- Illuminative light communication device346US 7,583,901 B2Nakagawa Laboratories, Inc. · 2009
- LED puck light with detachable base214US 6,641,283 B1GELcore, LLC · 2003
- Rotatable led cluster device212US 5,160,201 ADisplay Products, Inc. · 1992