Hydraulic pumping system with piston displacement sensing and control
US-2021340972-A1 · Nov 4, 2021 · US
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without separating means
without separating means · 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 | F15B2201/305 |
| Official title | without separating means |
| Display label | without separating means |
| Total patents | 13 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 1 |
| 2020 | 2 |
| 2021 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydraulic pumping system with piston displacement sensing and control
US-11098708-B2 · Aug 24, 2021 · US
Slant mounted hydraulic pumping system
US-10760388-B2 · Sep 1, 2020 · US
Hydraulic pumping system with detection of fluid in gas volume
US-10619464-B2 · Apr 14, 2020 · US
Hydraulic pumping system with enhanced piston rod sealing
US-9903187-B2 · Feb 27, 2018 · US
Slant mounted hydraulic pumping system
US-2017037713-A1 · Feb 9, 2017 · US
Hydraulic pumping system with piston displacement sensing and control
US-2017037714-A1 · Feb 9, 2017 · US
Hydraulic pumping system with detection of fluid in gas volume
US-2017037715-A1 · Feb 9, 2017 · US
Hydraulic pumping system with enhanced piston rod sealing
US-2017037841-A1 · Feb 9, 2017 · US
Plunger-type wire riser tensioner
US-9353581-B2 · May 31, 2016 · US
Power conditioning and energy storage device using hydraulic-pneumatic sequentially fired pulse forming networks
US-2016130986-A1 · May 12, 2016 · US
Plunger-type wire riser tensioner
US-2015184470-A1 · Jul 2, 2015 · US
Valves and reservoirs for microfluidic systems
US-8985547-B2 · Mar 24, 2015 · US