Differential pressure motor and method for operating a differential pressure motor
US-11751899-B2 · Sep 12, 2023 · US
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with two mechanically connected pumping members
with two mechanically connected pumping members · 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 | F04B9/131 |
| Official title | with two mechanically connected pumping members |
| Display label | with two mechanically connected pumping members |
| Total patents | 8 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 1 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High-pressure positive displacement plunger pump
US-11022106-B2 · Jun 1, 2021 · US
System and method for purifying liquid by reverse osmosis
US-10874985-B2 · Dec 29, 2020 · US
Differential pressure motor and method for operating a differential pressure motor
US-2020367922-A1 · Nov 26, 2020 · US
High-pressure to low-pressure changeover valve for a positive displacement pump
US-10514027-B2 · Dec 24, 2019 · US
System and method for purifying liquid by reverse osmosis
US-2019366271-A1 · Dec 5, 2019 · US
High-pressure positive displacement plunger pump
US-2019211817-A1 · Jul 11, 2019 · US
High-pressure to low-pressure changeover valve for a positive displacement pump
US-2016305410-A1 · Oct 20, 2016 · US