Method for controlling a gear pump
US-12345281-B2 · Jul 1, 2025 · US
Controlled or regulated
Controlled or regulated · 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 | F04C2270/035 |
| Official title | Controlled or regulated |
| Display label | Controlled or regulated |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 4 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for operating a compressor
US-12203472-B2 · Jan 21, 2025 · US
Method for controlling a gear pump
US-2024239188-A1 · Jul 18, 2024 · US
Method for operating a compressor
US-2024035473-A1 · Feb 1, 2024 · US
Control loop performance monitoring in variable frequency drive
US-11888420-B2 · Jan 30, 2024 · US
Electric pump actuator, stepless transmission with electric pump actuator and control method for an electric pump actuator
US-11767842-B2 · Sep 26, 2023 · US
Clutched vacuum pump system
US-11639720-B2 · May 2, 2023 · US
Method and system with high speed motor and speed limited pump
US-2023113348-A1 · Apr 13, 2023 · US
Progressive cavity pump system having reverse mode
US-2022178368-A1 · Jun 9, 2022 · US
Control Loop Performance Monitoring In Variable Frequency Drive
US-2022103106-A1 · Mar 31, 2022 · US
Electric pump actuator, stepless transmission with electric pump actuator and control method for an electric pump actuator
US-2021285442-A1 · Sep 16, 2021 · US
Method for operating a rolling piston compressor
US-10823172-B2 · Nov 3, 2020 · US
External gear pump
US-10801499-B2 · Oct 13, 2020 · US
Clutched vacuum pump system
US-2020018312-A1 · Jan 16, 2020 · US
Heat pump apparatus
US-10473367-B2 · Nov 12, 2019 · US
Load/unload control method for compressor system
US-10451052-B2 · Oct 22, 2019 · US
Method for operating a rolling piston compressor
US-2019271315-A1 · Sep 5, 2019 · US
External gear pump
US-2019063431-A1 · Feb 28, 2019 · US
Method and control circuit for controlling an electrical drive of an electrically driven compressed air compressor of a motor vehicle
US-10132304-B2 · Nov 20, 2018 · US
System and method for operating a pump
US-10001121-B2 · Jun 19, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04C2270/035?
- CPC F04C2270/035 is the Cooperative Patent Classification code for “Controlled or regulated.”
- How many patents are filed under CPC F04C2270/035 (Controlled or regulated)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC F04C2270/035 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).