Direct control variable displacement metering pumps
US-12352217-B2 · Jul 8, 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 | F04C2270/585 |
| Official title | Controlled or regulated |
| Display label | Controlled or regulated |
| Total patents | 29 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 6 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 5 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Device for controlling a fluid mass flow for a device for compressing a gaseous fluid and device for compressing a gaseous fluid
US-12292051-B2 · May 6, 2025 · US
Device for controlling a fluid mass flow for a device for compressing a gaseous fluid and device for compressing a gaseous fluid
US-2024426301-A1 · Dec 26, 2024 · US
Compressor and method of controlling the compressor
US-12173713-B2 · Dec 24, 2024 · US
Direct control variable displacement metering pumps
US-2024392728-A1 · Nov 28, 2024 · US
Variable displacement pump with flow delivery to different systems with different pressure schedules
US-2024183315-A1 · Jun 6, 2024 · US
Variable displacement pump with flow delivery to different systems with different pressure schedules
US-11994078-B1 · May 28, 2024 · US
Rotary compressors with variable speed and volume control
US-11852145-B2 · Dec 26, 2023 · US
Compressor and method of controlling the compressor
US-2022205447-A1 · Jun 30, 2022 · US
Refrigerant bypass solution
US-2022170465-A1 · Jun 2, 2022 · US
Capacity control for chillers having screw compressors
US-11035600-B2 · Jun 15, 2021 · US
Compressor system and system for maintaining a desired oil level
US-11002277-B2 · May 11, 2021 · US
Rotary compressors with variable speed and volume control
US-2020132074-A1 · Apr 30, 2020 · US
Compressor with thermally-responsive injector
US-10598180-B2 · Mar 24, 2020 · US
Variable Displacement Pump
US-2020080555-A1 · Mar 12, 2020 · US
Rotary compressors with variable speed and volume control
US-10533556-B2 · Jan 14, 2020 · US
Compressor system and system for maintaining a desired oil level
US-2019301465-A1 · Oct 3, 2019 · US
Capacity control for chillers having screw compressors
US-2019249666-A1 · Aug 15, 2019 · US
Variable displacement vane pump
US-2018112661-A1 · Apr 26, 2018 · US
Arrangement and method for measuring a delivery volume and a delivery rate of an intermittently operating pump
US-9841015-B2 · Dec 12, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04C2270/585?
- CPC F04C2270/585 is the Cooperative Patent Classification code for “Controlled or regulated.”
- How many patents are filed under CPC F04C2270/585 (Controlled or regulated)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC F04C2270/585 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).