Inertial hydrodynamic pump and wave engine
US-12497702-B2 · Dec 16, 2025 · US
Wave energy
Wave energy · Cooperative Patent Classification (CPC)
General tagging of emerging or interdisciplinary technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | Y02A20/144 |
| Official title | Wave energy |
| Display label | Wave energy |
| Total patents | 46 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 4 |
| 2021 | 7 |
| 2022 | 8 |
| 2023 | 3 |
| 2024 | 7 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Inertial hydrodynamic pump and wave engine
US-2025116016-A1 · Apr 10, 2025 · US
Hybrid water treatment system for red tide removal and perchlorate control and water treatment method using the same
US-2024343617-A1 · Oct 17, 2024 · US
Systems and methods for activating and dewatering sludge using acoustic pressure shock waves
US-12110238-B2 · Oct 8, 2024 · US
Sustainable auto pulsed electromagnetic irradiation system for zero discharge water treatment
US-11981585-B2 · May 14, 2024 · US
Greenhouse and cooling system of the same
US-11930750-B2 · Mar 19, 2024 · US
Treating saline water and other solvents with magnetic and electric fields
US-11904327-B2 · Feb 20, 2024 · US
Pulsed power supply for sustainable redox agent supply for hydrogen abatement during electrochemical hypochlorite generation
US-2024043294-A1 · Feb 8, 2024 · US
Half-cell electrochemical configurations for self-cleaning electrochlorination devices
US-2024034648-A1 · Feb 1, 2024 · US
Pulsed power supply for sustainable redox agent supply for hydrogen abatement during electrochemical hypochlorite generation
US-11802063-B2 · Oct 31, 2023 · US
Half-cell electrochemical configurations for self-cleaning electrochlorination devices
US-11795074-B2 · Oct 24, 2023 · US
Inertial hydrodynamic pump and wave engine
US-2023078347-A1 · Mar 16, 2023 · US
Systems and methods for activating and dewatering sludge using acoustic pressure shock waves
US-2022371922-A1 · Nov 24, 2022 · US
Width-adjustable packaging bag shaper, bag maker, packaging machine and method
US-11472588-B2 · Oct 18, 2022 · US
Implementation of feedback control for improved electrochemical system design
US-11414330-B2 · Aug 16, 2022 · US
Sustainable auto pulsed electromagnetic irradiation system for zero discharge water treatment
US-2022220010-A1 · Jul 14, 2022 · US
Hybrid water treatment system for red tide removal and perchlorate control and water treatment method using the same
US-2022064031-A1 · Mar 3, 2022 · US
Systems and methods for separating surface materials from a fluid using acoustic pressure shock waves
US-11254589-B2 · Feb 22, 2022 · US
Floating matter guidance control device, floating matter guidance system, and floating matter guidance control method
US-2022049445-A1 · Feb 17, 2022 · US
Greenhouse and cooling system of the same
US-2022007592-A1 · Jan 13, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC Y02A20/144?
- CPC Y02A20/144 is the Cooperative Patent Classification code for “Wave energy.”
- How many patents are filed under CPC Y02A20/144 (Wave energy)?
- Our database includes 46 publications tagged with this CPC code.
- Is patent activity under CPC Y02A20/144 growing?
- Publication counts under this code: 7 in 2024 vs 2 in 2025 (latest complete years).