Mooring device and method
US-2025136253-A1 · May 1, 2025 · US
one element moving inside another one, e.g. wave-operated member (wom) moving inside another member (rem)
one element moving inside another one, e.g. wave-operated member (wom) moving inside another member (rem) · 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 | F05B2250/44 |
| Official title | one element moving inside another one, e.g. wave-operated member (wom) moving inside another member (rem) |
| Display label | one element moving inside another one, e.g. wave-operated member (wom) moving inside another member (rem) |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 6 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hybrid triboelectric and electromagnetic generator
US-12241445-B2 · Mar 4, 2025 · US
Ocean wave energy harvesting system
US-12123389-B2 · Oct 22, 2024 · US
Power generator
US-12092065-B2 · Sep 17, 2024 · US
Ocean wave energy harvesting system
US-2023407834-A1 · Dec 21, 2023 · US
Active resonance C-type buoyant flap wave energy converter
US-11624346-B2 · Apr 11, 2023 · US
Renewable energy generation device and control method therefor
US-11585316-B1 · Feb 21, 2023 · US
Power generator
US-2023008924-A1 · Jan 12, 2023 · US
Multiple weight pendulum-based wave energy harvesting apparatus incorporating magnetic repulsion-based piezoelectric power generation mechanism
US-11542910-B2 · Jan 3, 2023 · US
Power generator, wave energy converter or sensor apparatus for water wave energy harvesting
US-11545915-B2 · Jan 3, 2023 · US
Hybrid Triboelectric And Electromagnetic Generator
US-2022316439-A1 · Oct 6, 2022 · US
Kinetic energy capture, storage, and conversion device
US-11421645-B1 · Aug 23, 2022 · US
Ocean energy collection device
US-2022178341-A1 · Jun 9, 2022 · US
Clamps having rotatable clamping elements
US-11268551-B2 · Mar 8, 2022 · US
Compound-pendulum up-conversion wave energy harvesting apparatus
US-2021399610-A1 · Dec 23, 2021 · US
System for generating electrical energy from the wave motion of the sea
US-11199173-B2 · Dec 14, 2021 · US
Active resonance c-type buoyant flap wave energy converter
US-2021355905-A1 · Nov 18, 2021 · US
Clamps having rotatable clamping elements
US-2021246921-A1 · Aug 12, 2021 · US
Power generator, wave energy converter or sensor apparatus for water wave energy harvesting
US-2021211072-A1 · Jul 8, 2021 · US
System for generating electrical energy from the wave motion of the sea
US-2021164434-A1 · Jun 3, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F05B2250/44?
- CPC F05B2250/44 is the Cooperative Patent Classification code for “one element moving inside another one, e.g. wave-operated member (wom) moving inside another member (rem).”
- How many patents are filed under CPC F05B2250/44 (one element moving inside another one, e.g. wave-operated member (wom) moving inside another member (rem))?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC F05B2250/44 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).