F21W 2131/401
For swimming pools
Official title: for swimming pools
F21W2131/401 (For swimming pools) appears on 396 US grants and 320 published applications in this corpus.
Search patents in F21W- Granted patents
- 396
- Published applications
- 320
- Assignees
- 185
- Inventors
- 594
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 9 | 0 |
| 2000 | 10 | 0 |
| 2001 | 16 | 1 |
| 2002 | 14 | 19 |
| 2003 | 10 | 11 |
| 2004 | 11 | 14 |
| 2005 | 10 | 21 |
| 2006 | 10 | 19 |
| 2007 | 19 | 24 |
| 2008 | 15 | 17 |
| 2009 | 12 | 12 |
| 2010 | 11 | 8 |
| 2011 | 5 | 14 |
| 2012 | 12 | 10 |
| 2013 | 12 | 11 |
| 2014 | 9 | 12 |
| 2015 | 8 | 18 |
| 2016 | 6 | 4 |
| 2017 | 13 | 12 |
| 2018 | 16 | 15 |
| 2019 | 15 | 11 |
| 2020 | 11 | 8 |
| 2021 | 13 | 13 |
| 2022 | 10 | 12 |
| 2023 | 14 | 10 |
| 2024 | 14 | 9 |
| 2025 | 5 | 4 |
| 2026 | 11 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Solar pool lamp6 Oct 2026US 12,753,910 B2Shenzhen Maining Innovation Technology Co., Ltd.
- Nicheless pool and spa light15 Sep 2026US 12,736,209 B1Aquastar Pool Products, Inc.
- Solar-powered inflatable swimming pool with lights1 Sep 2026US 12,723,424 B1Shenzhen Cootway Technology Co., Ltd.
- Bracket-type swimming pool light18 Aug 2026US 12,710,164 B1Sichuan Cootway Technology Co., Ltd.
- Mounting features on sealing ring component or pool light niche housing23 Jun 2026US 12,663,148 B1
- Wall-mounted pool lamp10 Sep 2026US 2026/0266444 A1Shenzhen Maining Innovation Technology Co., Ltd.
- Combination cover for nicheless light30 Jul 2026US 2026/0218879 A1Zodiac Pool Systems LLC
- Deck jet with integrated lighting23 Jul 2026US 2026/0208220 A1Bellson Electric Pty Ltd
- Solar pool lamp23 Jul 2026US 2026/0210507 A1Shenzhen Maining Innovation Technology Co., Ltd.
- Swimming pool lighting device25 Jun 2026US 2026/0177226 A1
Most cited
By later US patents
- Lighting methods and systems641US 7,178,941 B2Color Kinetics Incorporated · 2007
- Multicolored LED lighting method and apparatus581US 6,788,011 B2Color Kinetics Incorporated · 2004
- Multicolored LED lighting method and apparatus550US 6,806,659 B1Color Kinetics Incorporated · 2004
- Methods and apparatus for controlling illumination411US 6,967,448 B2Color Kinetics Incorporated · 2005
- Multicolored LED lighting method and apparatus409US 7,161,311 B2Color Kinetics Incorporated · 2007