Vane compressor for surgical gas delivery system with gas sealed insufflation and recirculation
US-12403271-B2 · Sep 2, 2025 · US
Adaptations of pumps for special use of pumps for elastic fluids
Adaptations of pumps for special use of pumps for elastic fluids · 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 | F04C25/00 |
| Official title | Adaptations of pumps for special use of pumps for elastic fluids |
| Display label | Adaptations of pumps for special use of pumps for elastic fluids |
| Total patents | 34 |
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 | 2 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 6 |
| 2019 | 2 |
| 2020 | 5 |
| 2021 | 1 |
| 2022 | 6 |
| 2024 | 5 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Element, device and method for compressing gas to be compressed having a low temperature
US-12209587-B2 · Jan 28, 2025 · US
Positive displacement roots blower noise suppression
US-2024384718-A1 · Nov 21, 2024 · US
Method for controlling the rotational speed of an electric motor driven compressor and control unit adapted to perform the method
US-12066024-B2 · Aug 20, 2024 · US
Positive displacement roots blower noise suppression
US-12060881-B2 · Aug 13, 2024 · US
Element, device and method for compressing gas to be compressed having a low temperature
US-2024191714-A1 · Jun 13, 2024 · US
Throttle valve for coolant circulation system
US-2024003362-A1 · Jan 4, 2024 · US
Method of manufacture of scroll compressors and scroll compressors manufactured thereby
US-11486394-B2 · Nov 1, 2022 · US
Method for controlling the rotational speed of an electric motor driven compressor and control unit adapted to perform the method
US-2022325714-A1 · Oct 13, 2022 · US
Compressor for refrigerating machine
US-11421686-B2 · Aug 23, 2022 · US
Vane compressor for surgical gas delivery system with gas sealed insufflation and recirculation
US-2022233792-A1 · Jul 28, 2022 · US
Positive displacement roots blower noise suppression
US-2022145885-A1 · May 12, 2022 · US
Compressor and refrigeration cycle apparatus
US-11313593-B2 · Apr 26, 2022 · US
Compressor for refrigerating machine
US-2021332818-A1 · Oct 28, 2021 · US
Ventilation apparatus and uses thereof
US-10792459-B2 · Oct 6, 2020 · US
Method of manufacture of scroll compressors and scroll compressors manufactured thereby
US-2020248688-A1 · Aug 6, 2020 · US
Scroll compressor
US-2020248691-A1 · Aug 6, 2020 · US
Air compressor and extraneous-matter removing apparatus
US-10717418-B2 · Jul 21, 2020 · US
Liquid ring pump
US-10655626-B2 · May 19, 2020 · US
Fan arrangement with fan and toothed ring, and converter motor with fan arrangement
US-2019379256-A1 · Dec 12, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04C25/00?
- CPC F04C25/00 is the Cooperative Patent Classification code for “Adaptations of pumps for special use of pumps for elastic fluids.”
- How many patents are filed under CPC F04C25/00 (Adaptations of pumps for special use of pumps for elastic fluids)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC F04C25/00 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).