Bearing/gearing section for a PDM rotor/stator
US-10450800-B2 · Oct 22, 2019 · US
Construction of the stationary member
Construction of the stationary member · 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 | F04C2/1075 |
| Official title | {Construction of the stationary member} |
| Display label | Construction of the stationary member |
| Total patents | 116 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 20 |
| 2016 | 16 |
| 2017 | 13 |
| 2018 | 9 |
| 2019 | 12 |
| 2020 | 10 |
| 2021 | 11 |
| 2022 | 6 |
| 2023 | 7 |
| 2024 | 3 |
| 2025 | 6 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Progressive cavity based control system
US-10407987-B2 · Sep 10, 2019 · US
Reinforced directional drilling assemblies and methods of forming same
US-2018320445-A1 · Nov 8, 2018 · US
Components and motors for downhole tools and methods of applying hardfacing to surfaces thereof
US-10077605-B2 · Sep 18, 2018 · US
Method of forming stators for downhole motors
US-2018238114-A1 · Aug 23, 2018 · US
Stator Injection Molding Centralization
US-2018200936-A1 · Jul 19, 2018 · US
Temperature regulated components having cooling channels and method
US-2018172041-A1 · Jun 21, 2018 · US
Electrochemical machining method for rotors or stators for moineau pumps
US-9976227-B2 · May 22, 2018 · US
Hydraulic tools including removable coatings, drilling systems, and methods of making and using hydraulic tools
US-9896885-B2 · Feb 20, 2018 · US
Liners for rotors and stators
US-2018003175-A1 · Jan 4, 2018 · US
Design and Method to Improve Downhole Motor Durability
US-2018003174-A1 · Jan 4, 2018 · US
Progressing cavity stator with gas breakout port
US-9850897-B2 · Dec 26, 2017 · US
Nitrogen- and ceramic-surface-treated components for downhole motors and related methods
US-9843244-B2 · Dec 12, 2017 · US
Eliminating Threaded Lower Mud Motor Housing Connections
US-2017328133-A1 · Nov 16, 2017 · US
Mud motor stators and pumps and method of making
US-2017298933-A1 · Oct 19, 2017 · US
Hydraulic tools including inserts and related methods
US-9784269-B2 · Oct 10, 2017 · US
Fiber reinforced elastomeric stator
US-2017204665-A1 · Jul 20, 2017 · US
Method of lining an inner surface of a tubular and system for doing same
US-2017189936-A1 · Jul 6, 2017 · US
Hydraulic tools including removable coatings, drilling systems, and methods of making and using hydraulic tools
US-2017167199-A1 · Jun 15, 2017 · US
Method of lining an inner surface of a tubular and system for doing same
US-9610611-B2 · Apr 4, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04C2/1075?
- CPC F04C2/1075 is the Cooperative Patent Classification code for “Construction of the stationary member.”
- How many patents are filed under CPC F04C2/1075 (Construction of the stationary member)?
- Our database includes 116 publications tagged with this CPC code.
- Is patent activity under CPC F04C2/1075 growing?
- Publication counts under this code: 3 in 2024 vs 6 in 2025 (latest complete years).