Method for operating a gas turbine installation and the same
US-2016377000-A1 · Dec 29, 2016 · US
by varying geometry within the pumps, e.g. by adjusting vanes
by varying geometry within the pumps, e.g. by adjusting vanes · 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 | F04D27/002 |
| Official title | {by varying geometry within the pumps, e.g. by adjusting vanes} |
| Display label | by varying geometry within the pumps, e.g. by adjusting vanes |
| Total patents | 443 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 35 |
| 2016 | 41 |
| 2017 | 54 |
| 2018 | 62 |
| 2019 | 56 |
| 2020 | 55 |
| 2021 | 40 |
| 2022 | 28 |
| 2023 | 29 |
| 2024 | 21 |
| 2025 | 19 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Seal carrier, guide vane ring and turbomachine
US-2016377087-A1 · Dec 29, 2016 · US
Device for guiding variable pitch diffuser vanes of a turbine engine
US-2016363133-A1 · Dec 15, 2016 · US
Movable vane control system
US-2016356172-A1 · Dec 8, 2016 · US
Image forming apparatus having cooling mechanism, cooling device, and cross-flow fan
US-2016349701-A1 · Dec 1, 2016 · US
Control shaft seal
US-9488182-B2 · Nov 8, 2016 · US
Active flutter control of variable pitch blades
US-2016319837-A1 · Nov 3, 2016 · US
System and method for operating a compressor
US-2016305437-A1 · Oct 20, 2016 · US
Controlling nozzle areas of variable area fan nozzles
US-2016281639-A1 · Sep 29, 2016 · US
Adjustable-inlet radial-radial compressor
US-2016238012-A1 · Aug 18, 2016 · US
Variable area fan nozzle with drive system health monitoring
US-2016230701-A1 · Aug 11, 2016 · US
Cooling fan with variable blade surface area
US-9410557-B2 · Aug 9, 2016 · US
Compressor including flow control insert and electromagnetic actuator
US-2016208809-A1 · Jul 21, 2016 · US
Blower assembly for a vehicle
US-2016208817-A1 · Jul 21, 2016 · US
Cover of a turbomachine centrifugal compressor capable of being rigidly connected via the downstream side near to the upstream edge of same, and turbomachine comprising this cover
US-2016195099-A1 · Jul 7, 2016 · US
Variable geometry turbine
US-9366264-B2 · Jun 14, 2016 · US
Gas turbine engine and method of assembling the same
US-2016146155-A1 · May 26, 2016 · US
Linkage to actuate inlet guide vanes
US-2016123347-A1 · May 5, 2016 · US
Radial fastening of tubular synchronizing rings
US-2016123339-A1 · May 5, 2016 · US
Boosting system, and boosting method of gas
US-2016123351-A1 · May 5, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04D27/002?
- CPC F04D27/002 is the Cooperative Patent Classification code for “by varying geometry within the pumps, e.g. by adjusting vanes.”
- How many patents are filed under CPC F04D27/002 (by varying geometry within the pumps, e.g. by adjusting vanes)?
- Our database includes 443 publications tagged with this CPC code.
- Is patent activity under CPC F04D27/002 growing?
- Publication counts under this code: 21 in 2024 vs 19 in 2025 (latest complete years).