Hydraulic power tool
US-12497988-B2 · Dec 16, 2025 · US
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mechanically
mechanically · 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 | F15B2211/321 |
| Official title | mechanically |
| Display label | mechanically |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 4 |
| 2017 | 2 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydraulic control system for coupler safety knuckle
US-2025243881-A1 · Jul 31, 2025 · US
Spool valve and hydraulic apparatus including the same
US-12140162-B2 · Nov 12, 2024 · US
Double acting hitch hydraulic valve assembly
US-2024360848-A1 · Oct 31, 2024 · US
Hydraulic Power Tool
US-2024131604-A1 · Apr 25, 2024 · US
Drift-prevention valve device, blade device, and working machine
US-11885099-B2 · Jan 30, 2024 · US
Pilot check valve
US-11781663-B2 · Oct 10, 2023 · US
Pilot check valve
US-2023132067-A1 · Apr 27, 2023 · US
Spool valve and hydraulic apparatus including the same
US-2022299046-A1 · Sep 22, 2022 · US
Drift-prevention valve device, blade device, and working machine
US-2021372085-A1 · Dec 2, 2021 · US
Pneumatic Motor Comprising Active Stroke-Switching System
US-2020208623-A1 · Jul 2, 2020 · US
Electro hydrostatic actuator
US-10539131-B2 · Jan 21, 2020 · US
Remote power source pump system
US-10214297-B2 · Feb 26, 2019 · US
Electro hydrostatic actuator
US-2019017501-A1 · Jan 17, 2019 · US
Servo-control and an aircraft having such a servo-control
US-9732769-B2 · Aug 15, 2017 · US
Hydraulic drive with rapid stroke and load stroke
US-9689407-B2 · Jun 27, 2017 · US
Servo-control and an aircraft having such a servo-control
US-2016195113-A1 · Jul 7, 2016 · US
Hydraulic drive with rapid stroke and load stroke
US-2016084278-A1 · Mar 24, 2016 · US
Rotary valve device
US-2016067896-A1 · Mar 10, 2016 · US
Remote power source pump system
US-2016039532-A1 · Feb 11, 2016 · US