Rotary compressor
US-2023349382-A1 · Nov 2, 2023 · US
Equalization of pressure pulses (silencing F04C29/06)
Equalization of pressure pulses (silencing F04C29/06) · 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 | F04C29/0035 |
| Official title | {Equalization of pressure pulses (silencing F04C29/06)} |
| Display label | Equalization of pressure pulses (silencing F04C29/06) |
| Total patents | 95 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 6 |
| 2017 | 3 |
| 2018 | 8 |
| 2019 | 5 |
| 2020 | 7 |
| 2021 | 5 |
| 2022 | 6 |
| 2023 | 9 |
| 2024 | 17 |
| 2025 | 15 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rotary compressor
US-11732712-B2 · Aug 22, 2023 · US
Scroll electric compressor
US-2023258185-A1 · Aug 17, 2023 · US
Axial pressure relief in slide bearings of pumps
US-11719242-B2 · Aug 8, 2023 · US
Screw compressor
US-2023204034-A1 · Jun 29, 2023 · US
Rotary compressor
US-2023137362-A1 · May 4, 2023 · US
Fluid working systems
US-11499552-B2 · Nov 15, 2022 · US
Rotary compressor
US-2022243728-A1 · Aug 4, 2022 · US
Rotary compressor for enhancing efficiency and suppressing vibration
US-11384760-B2 · Jul 12, 2022 · US
Positive displacement roots blower noise suppression
US-2022145885-A1 · May 12, 2022 · US
Scroll compressor having discharge cover providing a space to guide a discharge flow from a discharge port to a discharge passgae formed by a plurality of discharge holes
US-11293442-B2 · Apr 5, 2022 · US
Screw compressor slide valve and screw compressor with gas pulsation attenuation function
US-2022042510-A1 · Feb 10, 2022 · US
Axial pressure relief in slide bearings of pumps
US-2021404470-A1 · Dec 30, 2021 · US
Elastomer series coupling damper for supercharger
US-2021381554-A1 · Dec 9, 2021 · US
Elastomer series coupling damper for supercharger
US-11098766-B2 · Aug 24, 2021 · US
Rotary compressor
US-11078911-B2 · Aug 3, 2021 · US
Compressor noise reduction
US-10890188-B2 · Jan 12, 2021 · US
A Slide Valve for a Twin-Screw Compressor
US-2020291942-A1 · Sep 17, 2020 · US
Scroll compression device having a sealing device, and scroll compressor including such a scroll compression device
US-10753360-B2 · Aug 25, 2020 · US
Rotary compressor
US-2020208634-A1 · Jul 2, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04C29/0035?
- CPC F04C29/0035 is the Cooperative Patent Classification code for “Equalization of pressure pulses (silencing F04C29/06).”
- How many patents are filed under CPC F04C29/0035 (Equalization of pressure pulses (silencing F04C29/06))?
- Our database includes 95 publications tagged with this CPC code.
- Is patent activity under CPC F04C29/0035 growing?
- Publication counts under this code: 17 in 2024 vs 15 in 2025 (latest complete years).