Submerged fin for wave energy conversion
US-12454934-B2 · Oct 28, 2025 · US
symmetric
symmetric · 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 | F05B2250/72 |
| Official title | symmetric |
| Display label | symmetric |
| 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 |
|---|---|
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 7 |
| 2022 | 4 |
| 2023 | 7 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Device for generating power, comprising an air-towed vessel towing at least one water current turbine
US-12195160-B2 · Jan 14, 2025 · US
Submerged fin for wave energy conversion
US-2024376857-A1 · Nov 14, 2024 · US
Wave-energized diode pump
US-2024151204-A1 · May 9, 2024 · US
Wave-energized diode pump
US-11891974-B2 · Feb 6, 2024 · US
Wave receiving mechanism
US-11739728-B2 · Aug 29, 2023 · US
Device for generating power, comprising an air-towed vessel towing at least one water current turbine
US-2023192265-A1 · Jun 22, 2023 · US
Wave-energized diode pump
US-2023151790-A1 · May 18, 2023 · US
Active resonance C-type buoyant flap wave energy converter
US-11624346-B2 · Apr 11, 2023 · US
Offshore oscillating water column wave energy conversion device with external permeable structure
US-11585315-B2 · Feb 21, 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
Wave-energized diode pump
US-11542912-B2 · Jan 3, 2023 · US
Width-adjustable packaging bag shaper, bag maker, packaging machine and method
US-11472588-B2 · Oct 18, 2022 · US
Wave-direction-adaptive wave focusing type wave energy convertor with multiple water channels
US-11353000-B2 · Jun 7, 2022 · US
Offshore Oscillating Water Column Wave Energy Conversion Device With External Permeable Structure
US-2022162986-A1 · May 26, 2022 · US
Wave-energized diode pump
US-2022065215-A1 · Mar 3, 2022 · US
Submerged wave energy converter for deep water operations
US-2021404436-A1 · Dec 30, 2021 · US
Width-adjustable packaging bag shaper, bag maker, packaging machine and method
US-2021403191-A1 · Dec 30, 2021 · US
Compound-pendulum up-conversion wave energy harvesting apparatus
US-2021399610-A1 · Dec 23, 2021 · US
Active resonance c-type buoyant flap wave energy converter
US-2021355905-A1 · Nov 18, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F05B2250/72?
- CPC F05B2250/72 is the Cooperative Patent Classification code for “symmetric.”
- How many patents are filed under CPC F05B2250/72 (symmetric)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC F05B2250/72 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).