Drive system for a positive displacement pump
US-2025207575-A1 · Jun 26, 2025 · US
the movement of each piston in one direction being obtained by a single-acting piston fluid motor · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F04B9/1376 |
| Official title | {the movement of each piston in one direction being obtained by a single-acting piston fluid motor} |
| Display label | the movement of each piston in one direction being obtained by a single-acting piston fluid motor |
| Total patents | 18 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 1 |
| 2017 | 5 |
| 2018 | 2 |
| 2019 | 1 |
| 2021 | 1 |
| 2024 | 2 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025207575-A1 · Jun 26, 2025 · US
US-12253071-B2 · Mar 18, 2025 · US
US-2024125313-A1 · Apr 18, 2024 · US
US-11867165-B2 · Jan 9, 2024 · US
US-2021310475-A1 · Oct 7, 2021 · US
US-2019093651-A1 · Mar 28, 2019 · US
US-10161393-B2 · Dec 25, 2018 · US
US-10072650-B2 · Sep 11, 2018 · US
US-9784265-B2 · Oct 10, 2017 · US
US-9777722-B2 · Oct 3, 2017 · US
US-9777721-B2 · Oct 3, 2017 · US
US-2017191474-A1 · Jul 6, 2017 · US
US-9638185-B2 · May 2, 2017 · US
US-2016108904-A1 · Apr 21, 2016 · US
US-2015226192-A1 · Aug 13, 2015 · US
US-2015226206-A1 · Aug 13, 2015 · US
US-2015226205-A1 · Aug 13, 2015 · US
US-2015226207-A1 · Aug 13, 2015 · US