Marine propulsion apparatus
US-12441450-B2 · Oct 14, 2025 · US
using tide energy · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F03B13/26 |
| Official title | using tide energy |
| Display label | using tide energy |
| Total patents | 59 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 5 |
| 2017 | 9 |
| 2018 | 6 |
| 2019 | 8 |
| 2020 | 6 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 7 |
| 2024 | 3 |
| 2025 | 7 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12441450-B2 · Oct 14, 2025 · US
US-2025243838-A1 · Jul 31, 2025 · US
US-12355327-B2 · Jul 8, 2025 · US
US-12320324-B2 · Jun 3, 2025 · US
US-12305607-B2 · May 20, 2025 · US
US-2025137431-A1 · May 1, 2025 · US
US-2025043762-A1 · Feb 6, 2025 · US
US-12168968-B2 · Dec 17, 2024 · US
US-2024077055-A1 · Mar 7, 2024 · US
US-11859716-B2 · Jan 2, 2024 · US
US-11788595-B2 · Oct 17, 2023 · US
US-2023304471-A1 · Sep 28, 2023 · US
US-11680605-B2 · Jun 20, 2023 · US
US-2023183633-A1 · Jun 15, 2023 · US
US-2023151791-A1 · May 18, 2023 · US
US-2023130950-A1 · Apr 27, 2023 · US
US-2023032172-A1 · Feb 2, 2023 · US
US-11472588-B2 · Oct 18, 2022 · US
US-2022289355-A1 · Sep 15, 2022 · US
US-2022252151-A1 · Aug 11, 2022 · US
Answers are generated from the same data shown on this page.