Gas turbine engine with clutch assembly
US-11506067-B2 · Nov 22, 2022 · US
circumferential
circumferential · 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 | F05D2250/37 |
| Official title | circumferential |
| Display label | circumferential |
| Total patents | 96 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 3 |
| 2017 | 6 |
| 2018 | 7 |
| 2019 | 9 |
| 2020 | 12 |
| 2021 | 12 |
| 2022 | 13 |
| 2023 | 7 |
| 2024 | 11 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Component assembly for a combustion section of a gas turbine engine
US-2022307381-A1 · Sep 29, 2022 · US
Exhaust mixer
US-2022161205-A1 · May 26, 2022 · US
Injector with injector elements in circumferential rows that alternate between counter-clockwise and clockwise swirl
US-2021363940-A1 · Nov 25, 2021 · US
Rotating machine and method of using the same
US-2021336513-A1 · Oct 28, 2021 · US
Guiding ring for variable-pitch blades and method of mounting said ring
US-11149571-B2 · Oct 19, 2021 · US
Exhaust mixer with offset lobes
US-11085333-B2 · Aug 10, 2021 · US
Gas turbine engine with clutch assembly
US-2021222628-A1 · Jul 22, 2021 · US
Fuselage shield for an aircraft with an unducted engine
US-2021221491-A1 · Jul 22, 2021 · US
Gas turbine engine outlet guide vane assembly
US-2021222575-A1 · Jul 22, 2021 · US
Unducted single rotor engine
US-2021108523-A1 · Apr 15, 2021 · US
Mount for an airfoil
US-2021108518-A1 · Apr 15, 2021 · US
Gas turbine engine with clutch assembly
US-2021108569-A1 · Apr 15, 2021 · US
Advance ratio for single unducted rotor engine
US-2021108572-A1 · Apr 15, 2021 · US
Gas turbine engine and panel for a gas turbine engine
US-10954964-B2 · Mar 23, 2021 · US
Turbine containment arrangement
US-2020308986-A1 · Oct 1, 2020 · US
Acoustic liner panel and containment for a gas turbine engine
US-2020298987-A1 · Sep 24, 2020 · US
Turbine module for a turbomachine
US-10746131-B2 · Aug 18, 2020 · US
Woven skin cores for turbine airfoils
US-10731477-B2 · Aug 4, 2020 · US
Oil tank comprising an oil level control device
US-10683774-B2 · Jun 16, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F05D2250/37?
- CPC F05D2250/37 is the Cooperative Patent Classification code for “circumferential.”
- How many patents are filed under CPC F05D2250/37 (circumferential)?
- Our database includes 96 publications tagged with this CPC code.
- Is patent activity under CPC F05D2250/37 growing?
- Publication counts under this code: 11 in 2024 vs 6 in 2025 (latest complete years).