Method of forming stators for downhole motors
US-11319753-B2 · May 3, 2022 · US
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by rolling
by rolling · 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 | F04C2230/26 |
| Official title | by rolling |
| Display label | by rolling |
| Total patents | 9 |
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 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2021 | 2 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of forming stators for downhole motors
US-2021148171-A1 · May 20, 2021 · US
Method of forming stators for downhole motors
US-10920493-B2 · Feb 16, 2021 · US
Method of manufacturing a screw pump without undercut and/or screw pump which can have lubrication channels on at least one of the drive screw and running screws
US-10113545-B2 · Oct 30, 2018 · US
Method of forming stators for downhole motors
US-2018238114-A1 · Aug 23, 2018 · US
Method for producing a pendulum of a pendulum slide cell pump
US-9751163-B2 · Sep 5, 2017 · US
Screw Pump
US-2017089336-A1 · Mar 30, 2017 · US
Pump Housing, in Block Form, of a Vehicle Brake System, and Method for Producing the Same
US-2016084261-A1 · Mar 24, 2016 · US
Method for producing a pendulum of a pendulum slide cell pump
US-2015322943-A1 · Nov 12, 2015 · US