Inertial hydrodynamic pump and wave engine
US-2025277481-A1 · Sep 4, 2025 · US
with conducting liquids
with conducting liquids · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K44/085 |
| Official title | {with conducting liquids} |
| Display label | with conducting liquids |
| Total patents | 41 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 5 |
| 2020 | 4 |
| 2021 | 8 |
| 2022 | 4 |
| 2023 | 7 |
| 2024 | 3 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compact annular linear induction pump
US-12381466-B2 · Aug 5, 2025 · US
Tubular Hydro-Voltaic Device
US-2025211080-A1 · Jun 26, 2025 · US
Inertial hydrodynamic pump and wave engine
US-12320323-B1 · Jun 3, 2025 · US
Temperature-control arrangement for a microelectric system
US-2024375941-A1 · Nov 14, 2024 · US
Inertial hydrodynamic pump and wave engine
US-11891975-B2 · Feb 6, 2024 · US
Devices and methods for clearing and molecular labeling of intact tissues
US-11863041-B2 · Jan 2, 2024 · US
Systems and methods to harvest energy and determine water holdup using the magnetohydrodynamic principle
US-11777335-B2 · Oct 3, 2023 · US
Liquid heat exchanger for electronic device
US-11770062-B2 · Sep 26, 2023 · US
Inertial hydrodynamic pump and wave engine
US-2023250796-A1 · Aug 10, 2023 · US
Thermomagnetic apparatus for electric power generation and method thereof
US-11682959-B2 · Jun 20, 2023 · US
Inertial hydrodynamic pump and wave engine
US-11680554-B2 · Jun 20, 2023 · US
Inertial hydrodynamic pump and wave engine
US-11635057-B2 · Apr 25, 2023 · US
Compact annular linear induction pump
US-2023020187-A1 · Jan 19, 2023 · US
Inertial hydrodynamic pump and wave engine
US-2022341387-A1 · Oct 27, 2022 · US
Inertial hydrodynamic pump and wave engine
US-11384727-B2 · Jul 12, 2022 · US
Inertial hydrodynamic pump and wave engine
US-2022170440-A1 · Jun 2, 2022 · US
Liquid heat exchanger for electronic device
US-2022045592-A1 · Feb 10, 2022 · US
Thermomagnetic apparatus for electric power generation and method thereof
US-2021399618-A1 · Dec 23, 2021 · US
Inertial hydrodynamic pump and wave engine
US-2021372363-A1 · Dec 2, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02K44/085?
- CPC H02K44/085 is the Cooperative Patent Classification code for “with conducting liquids.”
- How many patents are filed under CPC H02K44/085 (with conducting liquids)?
- Our database includes 41 publications tagged with this CPC code.
- Is patent activity under CPC H02K44/085 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).