Compressor having oil recovery means
US-2018347568-A1 · Dec 6, 2018 · US
Stators
Stators · 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 | F04C2240/10 |
| Official title | Stators |
| Display label | Stators |
| Total patents | 441 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 14 |
| 2017 | 34 |
| 2018 | 30 |
| 2019 | 35 |
| 2020 | 34 |
| 2021 | 46 |
| 2022 | 62 |
| 2023 | 69 |
| 2024 | 57 |
| 2025 | 50 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Abatement system
US-10099169-B2 · Oct 16, 2018 · US
A scroll compressor having an oil discharge device
US-2018274543-A1 · Sep 27, 2018 · US
Wear-resistant coating for oil pump cavity
US-2018223835-A1 · Aug 9, 2018 · US
Pump device
US-2018180043-A1 · Jun 28, 2018 · US
Vane compressor
US-9970439-B2 · May 15, 2018 · US
Cylinder rotary compressor
US-2017350393-A1 · Dec 7, 2017 · US
Scroll compressor
US-2017342983-A1 · Nov 30, 2017 · US
Scroll compressor
US-2017342984-A1 · Nov 30, 2017 · US
Screw compressor
US-9828998-B2 · Nov 28, 2017 · US
Scroll compressor
US-9816504-B2 · Nov 14, 2017 · US
Scroll compressor
US-2017306955-A1 · Oct 26, 2017 · US
Scroll compressor
US-2017306953-A1 · Oct 26, 2017 · US
Scroll compressor
US-2017306954-A1 · Oct 26, 2017 · US
Mud motor stators and pumps and method of making
US-2017298933-A1 · Oct 19, 2017 · US
Vane pump
US-2017276133-A1 · Sep 28, 2017 · US
Compressor oil separation and assembly method
US-2017268515-A1 · Sep 21, 2017 · US
Variable displacement oil pump
US-2017241416-A1 · Aug 24, 2017 · US
Compressor With Oldham Assembly
US-2017234313-A1 · Aug 17, 2017 · US
Rotary compressor
US-2017218956-A1 · Aug 3, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04C2240/10?
- CPC F04C2240/10 is the Cooperative Patent Classification code for “Stators.”
- How many patents are filed under CPC F04C2240/10 (Stators)?
- Our database includes 441 publications tagged with this CPC code.
- Is patent activity under CPC F04C2240/10 growing?
- Publication counts under this code: 57 in 2024 vs 50 in 2025 (latest complete years).