Fluid routing for a vacuum pumping system
US-2025266268-A1 · Aug 21, 2025 · US
Pumping installations or systems (controlling F04D27/00)
Pumping installations or systems (controlling F04D27/00) · 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 | F04D25/00 |
| Official title | Pumping installations or systems (controlling F04D27/00) |
| Display label | Pumping installations or systems (controlling F04D27/00) |
| Total patents | 59 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 11 |
| 2018 | 9 |
| 2019 | 6 |
| 2020 | 5 |
| 2021 | 6 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fluid routing for a vacuum pumping system
US-12394638-B2 · Aug 19, 2025 · US
Compression system with gas leak recovery and fuel cells, and method
US-2025260028-A1 · Aug 14, 2025 · US
Vacuum pumping
US-12129841-B2 · Oct 29, 2024 · US
A fluid routing for a vacuum pumping system
US-2024213042-A1 · Jun 27, 2024 · US
Vacuum chamber module
US-11976662-B2 · May 7, 2024 · US
Controllers of a vacuum pumping and/or abatement system
US-11929982-B2 · Mar 12, 2024 · US
Motor assembly, method of manufacturing the same and a cleaner having the same
US-11717126-B2 · Aug 8, 2023 · US
Compressor system with heat recovery
US-11598327-B2 · Mar 7, 2023 · US
Subsea compression system and method
US-11542794-B2 · Jan 3, 2023 · US
Vacuum chamber module
US-2022364569-A1 · Nov 17, 2022 · US
Method and apparatus for dosing hydrogen in a centrifugal compression system
US-11453950-B1 · Sep 27, 2022 · US
Method and apparatus for dosing hydrogen in a centrifugal compression system
US-2022290310-A1 · Sep 15, 2022 · US
Vacuum pumping
US-2022090592-A1 · Mar 24, 2022 · US
Controllers of a vacuum pumping and/or abatement system
US-2022035349-A1 · Feb 3, 2022 · US
Subsea Compression System and Method
US-2021270110-A1 · Sep 2, 2021 · US
Motor assembly, method of manufacturing the same and a cleaner having the same
US-2021235951-A1 · Aug 5, 2021 · US
Fan
US-D923771-S · Jun 29, 2021 · US
Compressor system with heat recovery
US-2021131429-A1 · May 6, 2021 · US
Machine equipped with an air compressor or water pump
US-10927844-B2 · Feb 23, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04D25/00?
- CPC F04D25/00 is the Cooperative Patent Classification code for “Pumping installations or systems (controlling F04D27/00).”
- How many patents are filed under CPC F04D25/00 (Pumping installations or systems (controlling F04D27/00))?
- Our database includes 59 publications tagged with this CPC code.
- Is patent activity under CPC F04D25/00 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).