Pump device
US-11306710-B2 · Apr 19, 2022 · US
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the resiliently-deformable wall being part of the inner member, e.g. of a rotary piston
the resiliently-deformable wall being part of the inner member, e.g. of a rotary piston · 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 | F01C5/02 |
| Official title | the resiliently-deformable wall being part of the inner member, e.g. of a rotary piston |
| Display label | the resiliently-deformable wall being part of the inner member, e.g. of a rotary piston |
| 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 | 1 |
| 2018 | 5 |
| 2019 | 1 |
| 2020 | 6 |
| 2021 | 2 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pump device and method for at least locally sealing the pump device
US-2021324843-A1 · Oct 21, 2021 · US
Curved flexible impeller
US-11053937-B2 · Jul 6, 2021 · US
Rotary pump with deformable pump ring
US-10677059-B2 · Jun 9, 2020 · US
Pump device
US-2020132065-A1 · Apr 30, 2020 · US
Pump device
US-10584588-B2 · Mar 10, 2020 · US
Pump device with deformable pump ring
US-10570738-B2 · Feb 25, 2020 · US
Pump device with pump ring having curved contact portion
US-10533419-B2 · Jan 14, 2020 · US
Pump device with deformable pump ring
US-10533418-B2 · Jan 14, 2020 · US
Impeller
US-2019242379-A1 · Aug 8, 2019 · US
Pump device
US-2018051564-A1 · Feb 22, 2018 · US
Pump device
US-2018045049-A1 · Feb 15, 2018 · US
Pump device
US-2018045051-A1 · Feb 15, 2018 · US
Pump device
US-2018045048-A1 · Feb 15, 2018 · US
Pump device
US-2018045050-A1 · Feb 15, 2018 · US
Progressive cavity pump/motor stator including framework elements and grooves defining chambers
US-9540933-B2 · Jan 10, 2017 · US
Stator for Progressive Cavity Pump/Motor
US-2016017711-A1 · Jan 21, 2016 · US