F21S 10/02
Changing colors
Official title: changing colors {(F21S10/002 - F21S10/007, F21S10/04 take precedence)}
F21S10/02 (Changing colors) appears on 668 US grants and 684 published applications in this corpus.
Search patents in F21S- Granted patents
- 668
- Published applications
- 684
- Assignees
- 365
- Inventors
- 1,225
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 6 | 0 |
| 1998 | 12 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 3 |
| 2002 | 8 | 12 |
| 2003 | 9 | 10 |
| 2004 | 14 | 15 |
| 2005 | 4 | 18 |
| 2006 | 18 | 27 |
| 2007 | 11 | 24 |
| 2008 | 12 | 26 |
| 2009 | 24 | 34 |
| 2010 | 13 | 28 |
| 2011 | 18 | 18 |
| 2012 | 22 | 19 |
| 2013 | 16 | 24 |
| 2014 | 20 | 28 |
| 2015 | 22 | 27 |
| 2016 | 24 | 31 |
| 2017 | 35 | 47 |
| 2018 | 41 | 46 |
| 2019 | 59 | 60 |
| 2020 | 37 | 39 |
| 2021 | 37 | 34 |
| 2022 | 46 | 23 |
| 2023 | 27 | 27 |
| 2024 | 24 | 29 |
| 2025 | 26 | 25 |
| 2026 | 9 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dust cap illumination15 Sep 2026US 12,739,547 B2Harman International Industries, Incorporated
- Organic-light emitting diode11 Aug 2026US 12,704,230 B2Pictiva Displays International Limited
- Stage light fixture with superimposed color filtering element2 Jun 2026US 12,644,578 B1Guangzhou Haoyang Electronic Co., Ltd.
- Illumination devices for sites and chairs12 May 2026US 12,624,822 B2Brightz, Ltd.
- Color-changing lampshade and lamp17 Mar 2026US 12,578,079 B2Shenzhen Aurora Technology Limited
- Organic-light emitting diode1 Oct 2026US 2026/0298429 A1Pictiva Displays International Limited
- Lighting apparatus3 Sep 2026US 2026/0258928 A1Leedarson Lighting Co., Ltd.
- A kitchen appliance27 Aug 2026US 2026/0251292 A1Breville Pty Limited
- Improved light engine30 Jul 2026US 2026/0218882 A1Signify Holding B. V.
- Led lighting device9 Jul 2026US 2026/0194219 A1Jiaxing Super Lighting Electric Appliance Co., Ltd
Most cited
By later US patents
- LED lamp with reflector and multicolor adjuster484US 6,149,283 ARensselaer Polytechnic Institute (RPI) · 2000
- Computer controlled lighting system having automatically variable position, color, intensity and beam divergence386US 4,392,187 AVari-Lite, Inc. · 1983
- Apparatus and method for providing a linear effect279US 6,676,284 B1Wynne Willson Gottelier Limited · 2004
- Synthesized lighting device218US 4,963,798 A1990
- Lighted display emitting variable colors204US 6,241,362 B12001