Aquarium system with controlable light and methods
US-2026013480-A1 · Jan 15, 2026 · US
for aquaria
for aquaria · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F21W2131/308 |
| Official title | for aquaria |
| Display label | for aquaria |
| Total patents | 36 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 5 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Aquarium system with controlable light and methods
US-12419281-B2 · Sep 23, 2025 · US
Lighting device for illuminating an aquarium
US-12382937-B2 · Aug 12, 2025 · US
Light system for aquarium and methods
US-2025134077-A1 · May 1, 2025 · US
Aquarium system with controlable light and methods
US-2025040521-A1 · Feb 6, 2025 · US
Light system for aquarium and methods
US-12193420-B2 · Jan 14, 2025 · US
Aquarium system with controllable light and methods
US-12150436-B2 · Nov 26, 2024 · US
Aquaculture luminaire and lighting system, and a lighting method
US-12058985-B2 · Aug 13, 2024 · US
Aquarium system with controlable light and methods
US-2024130337-A1 · Apr 25, 2024 · US
Aquarium system with controlable light and methods
US-11864540-B2 · Jan 9, 2024 · US
An aquaculture luminaire and lighting system, and a lighting method
US-2023263142-A1 · Aug 24, 2023 · US
Aquarium system with controlable light and methods
US-2023189768-A1 · Jun 22, 2023 · US
Aquarium system with controlable light and methods
US-11606939-B2 · Mar 21, 2023 · US
Light system for aquarium and methods
US-2023048776-A1 · Feb 16, 2023 · US
Light-emitting device and illumination apparatus
US-2022393079-A1 · Dec 8, 2022 · US
Self-powered lights for photosynthetic cultures
US-11490570-B2 · Nov 8, 2022 · US
Aquarium system with controlable light and methods
US-2022132814-A1 · May 5, 2022 · US
Light-emitting device and illumination apparatus
US-11282989-B2 · Mar 22, 2022 · US
Illumination system and method for enhancing growth of aquatic animals
US-10925262-B2 · Feb 23, 2021 · US
Illumination system
US-10863728-B2 · Dec 15, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F21W2131/308?
- CPC F21W2131/308 is the Cooperative Patent Classification code for “for aquaria.”
- How many patents are filed under CPC F21W2131/308 (for aquaria)?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC F21W2131/308 growing?
- Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).