Conveying device
US-12553430-B2 · Feb 17, 2026 · US
reciprocating movement of the pumping member being obtained by a double-acting liquid motor
reciprocating movement of the pumping member being obtained by a double-acting liquid 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 | F04B9/105 |
| Official title | reciprocating movement of the pumping member being obtained by a double-acting liquid motor |
| Display label | reciprocating movement of the pumping member being obtained by a double-acting liquid motor |
| Total patents | 40 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 6 |
| 2017 | 5 |
| 2018 | 1 |
| 2019 | 4 |
| 2020 | 8 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Piston limit sensing for fluid application
US-2025067287-A1 · Feb 27, 2025 · US
Piston coupler for a reciprocating pump
US-2025020114-A1 · Jan 16, 2025 · US
Piston coupler for a reciprocating pump
US-12188460-B2 · Jan 7, 2025 · US
Piston limit sensing for fluid application
US-12135048-B2 · Nov 5, 2024 · US
Conveying Device
US-2024200542-A1 · Jun 20, 2024 · US
Cryogenic pump
US-2023332585-A1 · Oct 19, 2023 · US
Intensity modifiable intensifier pump
US-11353017-B2 · Jun 7, 2022 · US
Linear hydraulic pump and its application in well pressure control
US-11326589-B2 · May 10, 2022 · US
Switching device and lubricating pump
US-11199204-B2 · Dec 14, 2021 · US
Hydraulic pumping system with piston displacement sensing and control
US-2021340972-A1 · Nov 4, 2021 · US
Hydraulic pumping system with piston displacement sensing and control
US-11098708-B2 · Aug 24, 2021 · US
Volumetric pump
US-10920770-B2 · Feb 16, 2021 · US
Intensity modifiable intensifier pump
US-2020340461-A1 · Oct 29, 2020 · US
Switching device and lubricating pump
US-2020318658-A1 · Oct 8, 2020 · US
Hydraulically actuated downhole pump with traveling valve
US-10774628-B2 · Sep 15, 2020 · US
Slant mounted hydraulic pumping system
US-10760388-B2 · Sep 1, 2020 · US
Double hydraulic activated receptacle pump
US-2020248680-A1 · Aug 6, 2020 · US
Hydraulic pumping system with detection of fluid in gas volume
US-10619464-B2 · Apr 14, 2020 · US
Linear Hydraulic Pump and Its Application in Well Pressure Control
US-2020088187-A1 · Mar 19, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04B9/105?
- CPC F04B9/105 is the Cooperative Patent Classification code for “reciprocating movement of the pumping member being obtained by a double-acting liquid motor.”
- How many patents are filed under CPC F04B9/105 (reciprocating movement of the pumping member being obtained by a double-acting liquid motor)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC F04B9/105 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).