Turbomachine cooling trench
US-12286902-B2 · Apr 29, 2025 · US
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with repeated action on same blade ring
with repeated action on same blade ring · 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 | F01D1/12 |
| Official title | with repeated action on same blade ring |
| Display label | with repeated action on same blade ring |
| Total patents | 20 |
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 | 2 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 2 |
| 2022 | 3 |
| 2024 | 5 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Radial turbine nozzle and method for assembling the same
US-12037928-B2 · Jul 16, 2024 · US
Turbomachine cooling trench
US-2024209738-A1 · Jun 27, 2024 · US
Method and apparatus for creating a small pressure increase in a natural gas stream
US-11933146-B2 · Mar 19, 2024 · US
Turbomachine cooling trench
US-11879356-B2 · Jan 23, 2024 · US
Radial turbine nozzle and method for assembling the same
US-2024018877-A1 · Jan 18, 2024 · US
Turbomachine cooling trench
US-2022349310-A1 · Nov 3, 2022 · US
Turbomachine cooling trench
US-11401818-B2 · Aug 2, 2022 · US
Method and apparatus for creating a small pressure increase in a natural gas stream
US-2022081996-A1 · Mar 17, 2022 · US
Concentric turbine condensing cycle
US-2020217326-A1 · Jul 9, 2020 · US
Turbomachine Cooling Trench
US-2020040743-A1 · Feb 6, 2020 · US
Thermally efficient gas turbine engine for an aircraft
US-10494999-B2 · Dec 3, 2019 · US
Impeller for electrostatic spray gun
US-10239070-B2 · Mar 26, 2019 · US
Turbine engine with a turbo-compressor
US-10100731-B2 · Oct 16, 2018 · US
Gas turbine engine for an aircraft
US-2017298822-A1 · Oct 19, 2017 · US
Impeller for electrostatic spray gun
US-2017182505-A1 · Jun 29, 2017 · US
Impeller for electrostatic spray gun
US-9616438-B2 · Apr 11, 2017 · US
Turbine engine with a turbo-compressor
US-2016356218-A1 · Dec 8, 2016 · US
System and method of utilizing a housing to control wrapping flow in a fluid working apparatus
US-9303514-B2 · Apr 5, 2016 · US
Impeller for electrostatic spray gun
US-2015258557-A1 · Sep 17, 2015 · US