Eccentric screw pump with a pressure chamber between an elastomeric stator portion and a casing
US-12215689-B2 · Feb 4, 2025 · US
Elasticity
Elasticity · 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 | F05C2251/02 |
| Official title | Elasticity |
| Display label | Elasticity |
| Total patents | 38 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 6 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 6 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rotary engine with seal having elastomeric member and shield
US-2024318611-A1 · Sep 26, 2024 · US
Rotary compressor
US-12031539-B2 · Jul 9, 2024 · US
Compressor device and device equipped with a bearing damper
US-12012960-B2 · Jun 18, 2024 · US
Supporting pole
US-2024181682-A1 · Jun 6, 2024 · US
Sealing structure and scroll air compressor having same
US-11725657-B2 · Aug 15, 2023 · US
Rotary compressor
US-2023067061-A1 · Mar 2, 2023 · US
Resin member
US-11525509-B2 · Dec 13, 2022 · US
Eccentric screw pump
US-2022389926-A1 · Dec 8, 2022 · US
Compressor device and device equipped with a bearing damper
US-2022364561-A1 · Nov 17, 2022 · US
Smart drilling motor stator
US-11371503-B2 · Jun 28, 2022 · US
Sealing structure and scroll air compressor having same
US-2022034322-A1 · Feb 3, 2022 · US
Scroll compressor including a buffer member between a shaft and a recess part of an eccentric bush
US-11225966-B2 · Jan 18, 2022 · US
Resin member
US-2021190064-A1 · Jun 24, 2021 · US
Smart drilling motor stator
US-2021180592-A1 · Jun 17, 2021 · US
Hybrid pump bearing for contamination resistance
US-10941767-B2 · Mar 9, 2021 · US
Austempered grey iron scroll and method of making thereof
US-10844855-B2 · Nov 24, 2020 · US
Compressor and refrigeration cycle apparatus
US-2020347846-A1 · Nov 5, 2020 · US
Scroll compressor
US-2020300242-A1 · Sep 24, 2020 · US
Variable Displacement Pump
US-2020080555-A1 · Mar 12, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F05C2251/02?
- CPC F05C2251/02 is the Cooperative Patent Classification code for “Elasticity.”
- How many patents are filed under CPC F05C2251/02 (Elasticity)?
- Our database includes 38 publications tagged with this CPC code.
- Is patent activity under CPC F05C2251/02 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).