Valve shaft pump with coordinated pumping and valving operations
US-12544504-B2 · Feb 10, 2026 · US
for reciprocating distribution members
for reciprocating distribution 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 | F04B7/0053 |
| Official title | {for reciprocating distribution members} |
| Display label | for reciprocating distribution members |
| Total patents | 41 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 7 |
| 2023 | 7 |
| 2024 | 4 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electro-magnetic throttle valve with integrated blowdown conduit
US-2025341263-A1 · Nov 6, 2025 · US
Electro-magnetic throttle valve with integrated blowdown conduit
US-12372162-B2 · Jul 29, 2025 · US
Micro piston pump
US-12320341-B2 · Jun 3, 2025 · US
Electro-magnetic throttle valve
US-2024328530-A1 · Oct 3, 2024 · US
Pump system with pinch valve for fluid management in surgical procedures and method of operation thereof
US-12018671-B2 · Jun 25, 2024 · US
Electro-magnetic throttle valve with integrated blowdown conduit
US-11994232-B1 · May 28, 2024 · US
Plunger pump, liquid feeding device, and liquid chromatography device
US-11898555-B2 · Feb 13, 2024 · US
Micro piston pump
US-2023358219-A1 · Nov 9, 2023 · US
Pump system with pinch valve for fluid management in surgical procedures and method of operation thereof
US-2023304490-A1 · Sep 28, 2023 · US
Micro piston pump
US-11746765-B2 · Sep 5, 2023 · US
Inlet valve system
US-11732707-B2 · Aug 22, 2023 · US
High-pressure pump
US-11719208-B2 · Aug 8, 2023 · US
Pump system with pinch valve for fluid management in surgical procedures and method of operation thereof
US-11698068-B2 · Jul 11, 2023 · US
Valve shaft pump with coordinated pumping and valving operations
US-2023064224-A1 · Mar 2, 2023 · US
Inlet valve system
US-2022389924-A1 · Dec 8, 2022 · US
Pump system with pinch valve for fluid management in surgical procedures and method of operation thereof
US-2022349397-A1 · Nov 3, 2022 · US
Pump system with pinch valve for fluid management in surgical procedures and method of operation thereof
US-11408416-B2 · Aug 9, 2022 · US
Micro piston pump
US-2022163024-A1 · May 26, 2022 · US
Plunger pump, liquid feeding device, and liquid chromatography device
US-2022099074-A1 · Mar 31, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04B7/0053?
- CPC F04B7/0053 is the Cooperative Patent Classification code for “for reciprocating distribution members.”
- How many patents are filed under CPC F04B7/0053 (for reciprocating distribution members)?
- Our database includes 41 publications tagged with this CPC code.
- Is patent activity under CPC F04B7/0053 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).