F21W 2131/308
For aquaria
Official title: for aquaria
F21W2131/308 (For aquaria) appears on 85 US grants and 91 published applications in this corpus.
Search patents in F21W- Granted patents
- 85
- Published applications
- 91
- Assignees
- 50
- Inventors
- 177
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 3 |
| 2003 | 0 | 2 |
| 2004 | 1 | 1 |
| 2005 | 3 | 4 |
| 2006 | 1 | 4 |
| 2007 | 3 | 2 |
| 2008 | 1 | 4 |
| 2009 | 4 | 7 |
| 2010 | 3 | 3 |
| 2011 | 3 | 3 |
| 2012 | 1 | 3 |
| 2013 | 3 | 2 |
| 2014 | 4 | 5 |
| 2015 | 0 | 2 |
| 2016 | 5 | 5 |
| 2017 | 3 | 8 |
| 2018 | 5 | 5 |
| 2019 | 3 | 5 |
| 2020 | 7 | 5 |
| 2021 | 4 | 2 |
| 2022 | 6 | 4 |
| 2023 | 3 | 5 |
| 2024 | 4 | 4 |
| 2025 | 4 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aquarium system with controlable light and methods22 Sep 2026US 12,740,548 B2Spectrum Brands, Inc.
- Lighting unit and method of controlling3 Mar 2026US 12,564,178 B2EcoTech, LLC
- Aquarium system with controlable light and methods23 Sep 2025US 12,419,281 B2Spectrum Brands, Inc.
- Lighting device for illuminating an aquarium12 Aug 2025US 12,382,937 B2Signify Holding B. V.
- Light system for aquarium and methods14 Jan 2025US 12,193,420 B2Spectrum Brands, Inc.
- Aquarium system with controlable light and methods15 Jan 2026US 2026/0013480 A1Spectrum Brands, Inc.
- Light system for aquarium and methods1 May 2025US 2025/0134077 A1Spectrum Brands, Inc.
- Aquarium system with controlable light and methods6 Feb 2025US 2025/0040521 A1Spectrum Brands, Inc.
- A lighting device for illuminating an aquarium26 Dec 2024US 2024/0423173 A1Signity Holding B.V.
- Aquarium system with controlable light and methods25 Apr 2024US 2024/0130337 A1Spectrum Brands, Inc.
Most cited
By later US patents
- Methods and apparatus for controlling illumination411US 6,967,448 B2Color Kinetics Incorporated · 2005
- Systems and methods for synchronizing lighting effects316US 6,801,003 B2Color Kinetics Incorporated · 2004
- Systems and methods for synchronizing lighting effects138US 7,449,847 B2Philips Solid-State Lighting Solutions, Inc. · 2008
- Aquarium light fixture107US 6,065,849 A2000
- Aquarium lighting system67US 5,165,778 AUniversal Fiber Optics, Inc. · 1992