F21W 2121/00
Use or application of lighting devices or systems for decorative purposes, not
Official title: Use or application of lighting devices or systems for decorative purposes, not provided for in codes F21W2102/00 – F21W2107/00
F21W2121/00 (Use or application of lighting devices or systems for decorative purposes, not) appears on 2,845 US grants and 2,763 published applications in this corpus.
Search patents in F21W- Granted patents
- 2,845
- Published applications
- 2,763
- Assignees
- 981
- Inventors
- 3,756
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 7 | 0 |
| 1978 | 12 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 8 | 0 |
| 1983 | 9 | 0 |
| 1984 | 9 | 0 |
| 1985 | 6 | 0 |
| 1986 | 16 | 0 |
| 1987 | 16 | 0 |
| 1988 | 15 | 0 |
| 1989 | 23 | 0 |
| 1990 | 28 | 0 |
| 1991 | 24 | 0 |
| 1992 | 25 | 0 |
| 1993 | 20 | 0 |
| 1994 | 20 | 0 |
| 1995 | 24 | 0 |
| 1996 | 21 | 0 |
| 1997 | 29 | 0 |
| 1998 | 34 | 0 |
| 1999 | 43 | 0 |
| 2000 | 46 | 0 |
| 2001 | 67 | 8 |
| 2002 | 69 | 68 |
| 2003 | 58 | 69 |
| 2004 | 55 | 77 |
| 2005 | 53 | 89 |
| 2006 | 38 | 100 |
| 2007 | 68 | 120 |
| 2008 | 48 | 113 |
| 2009 | 45 | 89 |
| 2010 | 65 | 91 |
| 2011 | 66 | 103 |
| 2012 | 76 | 99 |
| 2013 | 78 | 104 |
| 2014 | 97 | 137 |
| 2015 | 98 | 169 |
| 2016 | 115 | 174 |
| 2017 | 140 | 180 |
| 2018 | 163 | 191 |
| 2019 | 190 | 161 |
| 2020 | 161 | 132 |
| 2021 | 150 | 107 |
| 2022 | 126 | 81 |
| 2023 | 108 | 90 |
| 2024 | 96 | 87 |
| 2025 | 111 | 76 |
| 2026 | 46 | 48 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F21W 2121/04Use or application of lighting devices or systems for decorative purposes, notIndexing code404
- F21W 2121/004Mounted on the exterior of houses or other buildings to illuminate partsIndexing code227
- F21W 2121/02Use or application of lighting devices or systems for decorative purposes, notIndexing code225
- F21W 2121/008Use or application of lighting devices or systems for decorative purposes, notIndexing code105
- F21W 2121/06Use or application of lighting devices or systems for decorative purposes, notIndexing code91
- F21W 2121/006Use or application of lighting devices or systems for decorative purposes, notIndexing code89
- F21W 2121/002Candle holders for birthday or anniversary cakesIndexing code22
Recent patents
- Solar-powered personalized stickers and decals6 Oct 2026US 12,753,891 B1
- Lightweight combined decorative tree with variable light effects1 Sep 2026US 12,721,463 B1Shangyou Jiayi Lighting Product Co., Ltd.
- Electrical and mechanical coupling systems for artificial powered trees and associated methods18 Aug 2026US 12,712,307 B2Belgravia Wood Limited
- Movable copying decoration11 Aug 2026US 12,702,244 B2
- Bulb-holding gutter clip11 Aug 2026US 12,704,242 B1
- Breakaway bands for tree lighting and a tree lighting system including a light string with one or more breakaway bands8 Oct 2026US 2026/0309316 A1DeZaio Productions, Inc.
- Motion-activated illumination system for apparel and objects8 Oct 2026US 2026/0313770 A1
- Water feature with integrated lighting system1 Oct 2026US 2026/0298428 A1Bellson Electric Pty Ltd
- Scented electronic candle device1 Oct 2026US 2026/0298430 A1L&L Candle Company, LLC
- Method, system, and apparatus for illuminating designer smart accessories24 Sep 2026US 2026/0287166 A1Asher Levine Inc.
Most cited
By later US patents
- Lighting methods and systems641US 7,178,941 B2Color Kinetics Incorporated · 2007
- Light emitting diode based products608US 6,965,205 B2Color Kinetics Incorporated · 2005
- Controlled lighting methods and apparatus528US 7,202,613 B2Color Kinetics Incorporated · 2007
- Microprocessor based simulated electronic flame422US 5,924,784 A1999
- Methods and apparatus for controlling illumination411US 6,967,448 B2Color Kinetics Incorporated · 2005