Control valve and impact device
US-2025187166-A1 · Jun 12, 2025 · US
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Valve arrangements therefor {(B25D9/145 takes precedence)}
Valve arrangements therefor {(B25D9/145 takes precedence)} · 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 | B25D9/16 |
| Official title | Valve arrangements therefor {(B25D9/145 takes precedence)} |
| Display label | Valve arrangements therefor {(B25D9/145 takes precedence)} |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 4 |
| 2017 | 6 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods for modulating pressure wave therapy
US-2025029704-A1 · Jan 23, 2025 · US
Pilot operated bypass valve with reverse check
US-11585449-B2 · Feb 21, 2023 · US
Reversing mechanism for a power tool
US-11541525-B2 · Jan 3, 2023 · US
Pilot operated bypass valve with reverse check
US-2022120352-A1 · Apr 21, 2022 · US
Reversing mechanism for a power tool
US-2021394351-A1 · Dec 23, 2021 · US
Hammer drill
US-10603775-B2 · Mar 31, 2020 · US
Pneumatic hammer device and a method pertaining to a pneumatic hammer device
US-10414034-B2 · Sep 17, 2019 · US
Hammer protection system and method
US-10377028-B2 · Aug 13, 2019 · US
Hammer protection system and method
US-2017259421-A1 · Sep 14, 2017 · US
Hammer dirll
US-2017246734-A1 · Aug 31, 2017 · US
Percussion piston
US-9737983-B2 · Aug 22, 2017 · US
Hydraulic hammer having delayed automatic shutoff
US-9701003-B2 · Jul 11, 2017 · US
Hammer drill
US-9669531-B2 · Jun 6, 2017 · US
Self-charging hydraulic hammer
US-9656377-B2 · May 23, 2017 · US
Hammer drill
US-9498874-B2 · Nov 22, 2016 · US
Double wall flow tube for percussion tool
US-9415496-B2 · Aug 16, 2016 · US
Hydraulic hammer having dual valve acceleration control system
US-2016221171-A1 · Aug 4, 2016 · US
Self-charging hydraulic hammer
US-2016039080-A1 · Feb 11, 2016 · US
Hydraulic hammer having delayed automatic shutoff
US-2015336256-A1 · Nov 26, 2015 · US