Deepwater resonator array for subsea noise mitigation
US-2025283462-A1 · Sep 11, 2025 · US
by mechanical resonators
by mechanical resonators · 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 | F04B53/004 |
| Official title | {by mechanical resonators} |
| Display label | by mechanical resonators |
| Total patents | 32 |
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 | 1 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 5 |
| 2020 | 5 |
| 2022 | 4 |
| 2023 | 6 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Linear compressor
US-12241460-B2 · Mar 4, 2025 · US
Device for canceling acoustic noise generated by a pump
US-12203469-B2 · Jan 21, 2025 · US
Hydraulic pump
US-12152580-B2 · Nov 26, 2024 · US
Linear compressor
US-12031533-B2 · Jul 9, 2024 · US
Reciprocating compressor
US-11859604-B2 · Jan 2, 2024 · US
Systems and methods for managing noise in compact high speed and high force hydraulic actuators
US-11815110-B2 · Nov 14, 2023 · US
Hydraulic pump
US-2023332594-A1 · Oct 19, 2023 · US
Linear compressor
US-2023243345-A1 · Aug 3, 2023 · US
Systems and methods for managing noise in compact high speed and high force hydraulic actuators
US-2023220853-A1 · Jul 13, 2023 · US
Linear compressor
US-2023193890-A1 · Jun 22, 2023 · US
Device for canceling acoustic noise generated by a pump
US-2023077854-A1 · Mar 16, 2023 · US
Air compressor
US-11512692-B2 · Nov 29, 2022 · US
Pump
US-11486373-B2 · Nov 1, 2022 · US
Systems and methods for managing noise in compact high speed and high force hydraulic actuators
US-11480199-B2 · Oct 25, 2022 · US
Reciprocating compressor
US-2022235752-A1 · Jul 28, 2022 · US
Pump
US-2020318627-A1 · Oct 8, 2020 · US
Fluid apparatus and buffer tank for use therein
US-2020318771-A1 · Oct 8, 2020 · US
High-pressure fuel pump
US-10781778-B2 · Sep 22, 2020 · US
Laundry treating apparatus having a pump body support leg including a rigid head and a deformable stem
US-10704178-B2 · Jul 7, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04B53/004?
- CPC F04B53/004 is the Cooperative Patent Classification code for “by mechanical resonators.”
- How many patents are filed under CPC F04B53/004 (by mechanical resonators)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC F04B53/004 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).