Radial turbine assembly with ceramic matrix composite airfoils having circumferential dovetail retention
US-2025116194-A1 · Apr 10, 2025 · US
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having inward flow
having inward flow · 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 | F01D1/08 |
| Official title | having inward flow |
| Display label | having inward flow |
| Total patents | 23 |
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 | 4 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Article having variable composition coating
US-11834963-B2 · Dec 5, 2023 · US
Radial expander
US-2023175400-A1 · Jun 8, 2023 · US
Rotating machine and refrigeration device using same
US-2023031560-A1 · Feb 2, 2023 · US
Article having variable composition coating
US-2022170379-A1 · Jun 2, 2022 · US
Air turbine drive spindle
US-11325140-B2 · May 10, 2022 · US
Article having variable composition coating
US-11261742-B2 · Mar 1, 2022 · US
Multi-stage radial turboexpander
US-10927756-B2 · Feb 23, 2021 · US
Air turbine drive spindle
US-2020398292-A1 · Dec 24, 2020 · US
Gas expander
US-10767508-B2 · Sep 8, 2020 · US
Powered pre-cooler fan assembly
US-2020025207-A1 · Jan 23, 2020 · US
Radial - axial turboexpander
US-2019284935-A1 · Sep 19, 2019 · US
Multi-stage radial turboexpander
US-2019234301-A1 · Aug 1, 2019 · US
Diverging-converging cooling passage for a turbine blade
US-10260355-B2 · Apr 16, 2019 · US
Gas expander
US-2018320546-A1 · Nov 8, 2018 · US
Fluidically controlled steam turbine inlet scroll
US-2018080324-A1 · Mar 22, 2018 · US
Diverging-converging cooling passage for a turbine blade
US-2017254209-A1 · Sep 7, 2017 · US
Alternating nozzles for radial inflow turbine
US-9605540-B2 · Mar 28, 2017 · US
Article having variable composition coating
US-2016281514-A1 · Sep 29, 2016 · US
Spindle system and electrostatic painting system
US-9216428-B2 · Dec 22, 2015 · US