Motor and hydraulic pump device including the motor
US-12066022-B2 · Aug 20, 2024 · US
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reciprocating movement of the pumping members being obtained by a double-acting elastic-fluid motor
reciprocating movement of the pumping members being obtained by a double-acting elastic-fluid motor · 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 | F04B9/133 |
| Official title | reciprocating movement of the pumping members being obtained by a double-acting elastic-fluid motor |
| Display label | reciprocating movement of the pumping members being obtained by a double-acting elastic-fluid motor |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 3 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pressure booster
US-11661959-B2 · May 30, 2023 · US
Motor and hydraulic pump device including the motor
US-2022325705-A1 · Oct 13, 2022 · US
Pressure boost system
US-2022186679-A1 · Jun 16, 2022 · US
Pressure booster
US-2021301838-A1 · Sep 30, 2021 · US
Piston pump and seal ring
US-11015595-B2 · May 25, 2021 · US
Data center refrigeration system
US-10888024-B1 · Jan 5, 2021 · US
System and method for purifying liquid by reverse osmosis
US-10874985-B2 · Dec 29, 2020 · US
Exhaust air conduit for a coating agent pump
US-10697443-B2 · Jun 30, 2020 · US
Apparatus for the production of a mixture of at least one gas and at least one liquid plastic component
US-10661478-B2 · May 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
Piston pump and seal ring
US-2019316582-A1 · Oct 17, 2019 · US
Bidirectional piston seals with pressure compensation
US-2017292342-A1 · Oct 12, 2017 · US
Exhaust air conduit for a coating agent pump
US-2017152841-A1 · Jun 1, 2017 · US
Method to prevent debris build-up on reciprocating air motor pilot valves
US-9540971-B2 · Jan 10, 2017 · US
High-pressure to low-pressure changeover valve for a positive displacement pump
US-2016305410-A1 · Oct 20, 2016 · US