Compressor interstage throttle, and method of operating therof
US-11841026-B2 · Dec 12, 2023 · US
by throttling (F04D27/002 takes precedence)
by throttling (F04D27/002 takes precedence) · 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 | F04D27/003 |
| Official title | {by throttling (F04D27/002 takes precedence)} |
| Display label | by throttling (F04D27/002 takes precedence) |
| Total patents | 75 |
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 | 3 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 10 |
| 2020 | 8 |
| 2021 | 8 |
| 2022 | 10 |
| 2023 | 12 |
| 2024 | 8 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compressor device and method for controlling such a compressor device
US-2023392603-A1 · Dec 7, 2023 · US
Cryopumps and inlet flow restrictors for cryopumps
US-2023392838-A1 · Dec 7, 2023 · US
Air conditioner
US-11802569-B2 · Oct 31, 2023 · US
Optimizing the performance of electrical submersible pumps (esp) in real time
US-2023313807-A1 · Oct 5, 2023 · US
Centrifugal compressor
US-11754082-B2 · Sep 12, 2023 · US
Interstage capacity control valve with side stream flow distribution and flow regulation for multi-stage centrifugal compressors
US-11661949-B2 · May 30, 2023 · US
Ventilation device module for a motor vehicle cooling module, ventilation device comprising such a module, and cooling module for a motor vehicle comprising such a ventilation device
US-2023147766-A1 · May 11, 2023 · US
Blower
US-2023122270-A1 · Apr 20, 2023 · US
Air conditioner
US-2023077917-A1 · Mar 16, 2023 · US
Air conditioner
US-11536283-B2 · Dec 27, 2022 · US
Centrifugal compressor
US-2022381255-A1 · Dec 1, 2022 · US
Interstage capacity control valve with side stream flow distribution and flow regulation for multi-stage centrifugal compressors
US-2022349414-A1 · Nov 3, 2022 · US
Assembly blower and associated method
US-11480186-B2 · Oct 25, 2022 · US
Electromechanical actuators for refrigerant flow control
US-11466698-B2 · Oct 11, 2022 · US
Gas compressor
US-11448217-B2 · Sep 20, 2022 · US
Interstage capacity control valve with side stream flow distribution and flow regulation for multi-stage centrifugal compressors
US-11391289-B2 · Jul 19, 2022 · US
Gas compressor
US-2022136513-A1 · May 5, 2022 · US
Centrifugal compressor
US-2022099101-A1 · Mar 31, 2022 · US
Blower
US-11274670-B2 · Mar 15, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04D27/003?
- CPC F04D27/003 is the Cooperative Patent Classification code for “by throttling (F04D27/002 takes precedence).”
- How many patents are filed under CPC F04D27/003 (by throttling (F04D27/002 takes precedence))?
- Our database includes 75 publications tagged with this CPC code.
- Is patent activity under CPC F04D27/003 growing?
- Publication counts under this code: 8 in 2024 vs 4 in 2025 (latest complete years).