Positive displacement pump including an unloading device
US-11473574-B2 · Oct 18, 2022 · US
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being obtained by displacing a lateral sealing face
being obtained by displacing a lateral sealing face · 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 | F04C14/265 |
| Official title | {being obtained by displacing a lateral sealing face} |
| Display label | being obtained by displacing a lateral sealing face |
| Total patents | 15 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Positive displacement pump including an unloading device
US-11131303-B2 · Sep 28, 2021 · US
Positive displacement pump including an unloading device
US-2021262464-A1 · Aug 26, 2021 · US
Power transfer system and method using a variable speed ratio regulating device
US-10731735-B1 · Aug 4, 2020 · US
Positive displacement pump including an unloading device
US-2019285068-A1 · Sep 19, 2019 · US
Gear pump with dual pressure relief
US-10337512-B2 · Jul 2, 2019 · US
Positive displacement pump including an unloading device
US-10309396-B2 · Jun 4, 2019 · US
Hydraulic control arrangement for an automatic transmission
US-10100924-B2 · Oct 16, 2018 · US
Positive displacement pump including an unloading device
US-2017314553-A1 · Nov 2, 2017 · US
Internal gear pump having a rotationally fixed axial disk
US-9765779-B2 · Sep 19, 2017 · US
Gear Pump with Dual Pressure Relief
US-2017227006-A1 · Aug 10, 2017 · US
Gear pump and gear pump operating method
US-9523360-B2 · Dec 20, 2016 · US
Hydraulic Control Arrangement for an Automatic Transmission
US-2016153551-A1 · Jun 2, 2016 · US
Hydraulic control device
US-9291283-B2 · Mar 22, 2016 · US
Internal Gear Pump
US-2015369242-A1 · Dec 24, 2015 · US