Control valve and impact device
US-2025187166-A1 · Jun 12, 2025 · US
involving a piston-type slide valve
involving a piston-type slide valve · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B25D9/18 |
| Official title | involving a piston-type slide valve |
| Display label | involving a piston-type slide valve |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 4 |
| 2017 | 9 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pneumatic puller
US-2025033173-A1 · Jan 30, 2025 · US
Breaking hammer and method of supporting percussion piston
US-11828137-B2 · Nov 28, 2023 · US
Breaking hammer and method of supporting percussion piston
US-2022251904-A1 · Aug 11, 2022 · US
Pneumatic tool
US-11292116-B2 · Apr 5, 2022 · US
Hydraulic hammer
US-11027403-B2 · Jun 8, 2021 · US
Hydraulic hammer having co-axial accumulator and piston
US-10562166-B2 · Feb 18, 2020 · US
Hydraulic hammer
US-2019381645-A1 · Dec 19, 2019 · US
Pneumatic tool
US-2019270190-A1 · Sep 5, 2019 · US
Hammer protection system and method
US-10377028-B2 · Aug 13, 2019 · US
Breaking device
US-9981370-B2 · May 29, 2018 · US
Hydraulic hammer having variable stroke control
US-9840000-B2 · Dec 12, 2017 · US
Hammer protection system and method
US-2017259421-A1 · Sep 14, 2017 · US
Percussion piston
US-9737983-B2 · Aug 22, 2017 · US
Hydraulic hammer having delayed automatic shutoff
US-9701003-B2 · Jul 11, 2017 · US
Self-charging hydraulic hammer
US-9656377-B2 · May 23, 2017 · US
Automatic lubrication system with detune
US-9643310-B2 · May 9, 2017 · US
Hydraulic hammer having co-axial accumulator and piston
US-2017087704-A1 · Mar 30, 2017 · US
Hydraulic hammer having impact system subassembly
US-9592598-B2 · Mar 14, 2017 · US
Hydraulic hammer having co-axial accumulator and piston
US-9555531-B2 · Jan 31, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B25D9/18?
- CPC B25D9/18 is the Cooperative Patent Classification code for “involving a piston-type slide valve.”
- How many patents are filed under CPC B25D9/18 (involving a piston-type slide valve)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC B25D9/18 growing?
- Publication counts under this code: 1 in 2023 vs 2 in 2025 (latest complete years).