Pressure-regulating hydrodynamic pump and wave engine
US-12565874-B2 · Mar 3, 2026 · US
to produce a flow of air, e.g. to drive an air turbine {(F03B13/142 takes precedence)} · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F03B13/24 |
| Official title | to produce a flow of air, e.g. to drive an air turbine {(F03B13/142 takes precedence)} |
| Display label | to produce a flow of air, e.g. to drive an air turbine {(F03B13/142 takes precedence)} |
| Total patents | 53 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2019 | 2 |
| 2020 | 8 |
| 2021 | 4 |
| 2022 | 8 |
| 2023 | 10 |
| 2024 | 7 |
| 2025 | 8 |
| 2026 | 4 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12565874-B2 · Mar 3, 2026 · US
US-12560143-B2 · Feb 24, 2026 · US
US-2026043386-A1 · Feb 12, 2026 · US
US-2026009372-A1 · Jan 8, 2026 · US
US-12492674-B2 · Dec 9, 2025 · US
US-2025369415-A1 · Dec 4, 2025 · US
US-12467428-B2 · Nov 11, 2025 · US
US-12435692-B2 · Oct 7, 2025 · US
US-12392312-B2 · Aug 19, 2025 · US
US-2025188902-A1 · Jun 12, 2025 · US
US-2025101941-A1 · Mar 27, 2025 · US
US-12203440-B1 · Jan 21, 2025 · US
US-12173683-B2 · Dec 24, 2024 · US
US-2024401557-A1 · Dec 5, 2024 · US
US-2024287960-A1 · Aug 29, 2024 · US
US-12037972-B2 · Jul 16, 2024 · US
US-11976622-B2 · May 7, 2024 · US
US-2024141864-A1 · May 2, 2024 · US
US-2024110541-A1 · Apr 4, 2024 · US
US-11846265-B1 · Dec 19, 2023 · US
Answers are generated from the same data shown on this page.