Compressor with offset diffuser for integral bleed
US-10605253-B2 · Mar 31, 2020 · US
by fluid extraction
by fluid extraction · 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 | F04D29/682 |
| Official title | {by fluid extraction} |
| Display label | by fluid extraction |
| Total patents | 155 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 10 |
| 2017 | 21 |
| 2018 | 8 |
| 2019 | 13 |
| 2020 | 18 |
| 2021 | 18 |
| 2022 | 28 |
| 2023 | 9 |
| 2024 | 15 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fluid diodes with ridges to control boundary layer in axial compressor stator vane
US-10519976-B2 · Dec 31, 2019 · US
Fan noise-lowering structure
US-2019353037-A1 · Nov 21, 2019 · US
Axial flow compressor, gas turbine including the same, and stator blade of axial flow compressor
US-10480531-B2 · Nov 19, 2019 · US
Compressor bleed port structure
US-2019226488-A1 · Jul 25, 2019 · US
Stator device for a continuous-flow machine with a housing appliance and multiple guide vanes
US-10344616-B2 · Jul 9, 2019 · US
Systems and methods for axial compressor with secondary flow
US-10330121-B2 · Jun 25, 2019 · US
Compressor module for a turbomachine
US-2019178098-A1 · Jun 13, 2019 · US
Turbofan engine and method of reducing air flow separation therein
US-10308368-B2 · Jun 4, 2019 · US
Compressor with offset diffuser for integral bleed
US-2019162197-A1 · May 30, 2019 · US
High pressure compressor diffuser for an industrial gas turbine engine
US-2019145314-A1 · May 16, 2019 · US
Gas turbine engine airfoil with auxiliary flow channel
US-10280757-B2 · May 7, 2019 · US
Perforated drum of a compressor of an axial turbine engine
US-10273977-B2 · Apr 30, 2019 · US
Compressor impeller and turbocharger
US-2019048878-A1 · Feb 14, 2019 · US
Turbomachine, circulation structure and method
US-10151206-B2 · Dec 11, 2018 · US
Propeller fan
US-2018335045-A1 · Nov 22, 2018 · US
Exhaust diffuser having ejection hole and suction hole, and gas turbine having the same
US-2018313231-A1 · Nov 1, 2018 · US
Methods and system for a turbocharger
US-10107297-B2 · Oct 23, 2018 · US
Airfoils for reducing secondary flow losses in gas turbine engines
US-10107104-B2 · Oct 23, 2018 · US
Twin spool industrial gas turbine engine low pressure compressor with diffuser
US-2018245512-A1 · Aug 30, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04D29/682?
- CPC F04D29/682 is the Cooperative Patent Classification code for “by fluid extraction.”
- How many patents are filed under CPC F04D29/682 (by fluid extraction)?
- Our database includes 155 publications tagged with this CPC code.
- Is patent activity under CPC F04D29/682 growing?
- Publication counts under this code: 15 in 2024 vs 6 in 2025 (latest complete years).