Turbine airfoil attachment with serration profile
US-2024352861-A1 · Oct 24, 2024 · US
symmetric
symmetric · 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 | F05D2250/72 |
| Official title | symmetric |
| Display label | symmetric |
| Total patents | 71 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 6 |
| 2017 | 8 |
| 2018 | 10 |
| 2019 | 6 |
| 2020 | 9 |
| 2021 | 9 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 7 |
| 2025 | 5 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gas turbine engine
US-2024060430-A1 · Feb 22, 2024 · US
Fan blade or vane with improved bird impact capability
US-2024052746-A1 · Feb 15, 2024 · US
Strut cover for a turbine
US-11739658-B2 · Aug 29, 2023 · US
Rotor balance assembly
US-11578599-B2 · Feb 14, 2023 · US
Strut cover for a turbine
US-2023036034-A1 · Feb 2, 2023 · US
Fan housing, fan and operating system having a fan
US-11506222-B2 · Nov 22, 2022 · US
Fuel distribution device, gas turbine engine and mounting method
US-11499481-B2 · Nov 15, 2022 · US
Rotor balance assembly
US-2022243593-A1 · Aug 4, 2022 · US
Engine components with cooling holes having tailored metering and diffuser portions
US-11286791-B2 · Mar 29, 2022 · US
Distributed nested cell damping system
US-11261738-B2 · Mar 1, 2022 · US
Distributed nested cell damping system
US-2021372286-A1 · Dec 2, 2021 · US
Curved beam centering spring for a thrust bearing
US-11118629-B2 · Sep 14, 2021 · US
Fan housing, fan and operating system having a fan
US-2021254629-A1 · Aug 19, 2021 · US
Engine components with cooling holes having tailored metering and diffuser portions
US-2021231017-A1 · Jul 29, 2021 · US
Shroud interlock
US-11053804-B2 · Jul 6, 2021 · US
Curved beam centering spring for a thrust bearing
US-2021180651-A1 · Jun 17, 2021 · US
Engine components with cooling holes having tailored metering and diffuser portions
US-11021965-B2 · Jun 1, 2021 · US
Apparatus for transferring energy between a rotating element and fluid
US-10927849-B2 · Feb 23, 2021 · US
Contoured endwall for a gas turbine engine
US-10920599-B2 · Feb 16, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F05D2250/72?
- CPC F05D2250/72 is the Cooperative Patent Classification code for “symmetric.”
- How many patents are filed under CPC F05D2250/72 (symmetric)?
- Our database includes 71 publications tagged with this CPC code.
- Is patent activity under CPC F05D2250/72 growing?
- Publication counts under this code: 7 in 2024 vs 5 in 2025 (latest complete years).