Valve cylinder, impact device and method
US-12404725-B2 · Sep 2, 2025 · US
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involving a tubular-type slide valve
involving a tubular-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 | B25D9/20 |
| Official title | involving a tubular-type slide valve |
| Display label | involving a tubular-type slide valve |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 6 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Control valve and impact device
US-2025187166-A1 · Jun 12, 2025 · US
Valve cylinder, impact device and method
US-2025027368-A1 · Jan 23, 2025 · US
Flow path diverter for pneumatic tool
US-11883942-B2 · Jan 30, 2024 · US
Flow path diverter for pneumatic tool
US-2021402587-A1 · Dec 30, 2021 · US
Hydraulic hammer having co-axial accumulator and piston
US-10562166-B2 · Feb 18, 2020 · US
Hammer temperature protection system and method
US-10513020-B2 · Dec 24, 2019 · US
Hammer protection system and method
US-10377028-B2 · Aug 13, 2019 · US
Breaking device
US-9981370-B2 · May 29, 2018 · US
Hammer protection system and method
US-2017259421-A1 · Sep 14, 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
Hammer temperature protection system and method
US-2017080555-A1 · Mar 23, 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
Hammer having piston sleeve with spiral grooves
US-2016151903-A1 · Jun 2, 2016 · US
Automatic Lubrication System with Detune
US-2016046009-A1 · Feb 18, 2016 · US