Systems, methods, and devices for detecting harmful algal blooms
US-12590939-B2 · Mar 31, 2026 · US
for collecting pollution from open water · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B63B35/32 |
| Official title | for collecting pollution from open water |
| Display label | for collecting pollution from open water |
| Total patents | 49 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 4 |
| 2021 | 15 |
| 2022 | 8 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 6 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12590939-B2 · Mar 31, 2026 · US
US-12459611-B2 · Nov 4, 2025 · US
US-12359385-B2 · Jul 15, 2025 · US
US-2025178928-A1 · Jun 5, 2025 · US
US-2025083777-A1 · Mar 13, 2025 · US
US-2025083787-A1 · Mar 13, 2025 · US
US-2025083776-A1 · Mar 13, 2025 · US
US-2024426069-A1 · Dec 26, 2024 · US
US-2024117582-A1 · Apr 11, 2024 · US
US-2024009602-A1 · Jan 11, 2024 · US
US-11820468-B2 · Nov 21, 2023 · US
US-2023135883-A1 · May 4, 2023 · US
US-11634878-B2 · Apr 25, 2023 · US
US-11623722-B2 · Apr 11, 2023 · US
US-11591058-B2 · Feb 28, 2023 · US
US-2022404328-A1 · Dec 22, 2022 · US
US-2022341114-A1 · Oct 27, 2022 · US
US-2022333326-A1 · Oct 20, 2022 · US
US-11472517-B2 · Oct 18, 2022 · US
US-2022307215-A1 · Sep 29, 2022 · US
Answers are generated from the same data shown on this page.