Hydroturbine manufacture
US-12078141-B2 · Sep 3, 2024 · US
Rotors for radial flow at high-pressure side and axial flow at low-pressure side, e.g. for Francis-type turbines
Rotors for radial flow at high-pressure side and axial flow at low-pressure side, e.g. for Francis-type turbines · 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 | F03B3/125 |
| Official title | {Rotors for radial flow at high-pressure side and axial flow at low-pressure side, e.g. for Francis-type turbines} |
| Display label | Rotors for radial flow at high-pressure side and axial flow at low-pressure side, e.g. for Francis-type turbines |
| Total patents | 39 |
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 | 3 |
| 2016 | 5 |
| 2018 | 5 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 7 |
| 2022 | 3 |
| 2023 | 6 |
| 2024 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Francis-type hydraulic machine
US-12037975-B2 · Jul 16, 2024 · US
Francis-type hydraulic machine
US-2023358201-A1 · Nov 9, 2023 · US
Hydroturbine manufacture
US-11808245-B2 · Nov 7, 2023 · US
Hydroturbine manufacture
US-2023332570-A1 · Oct 19, 2023 · US
Pre-formed plug with inter-blade profiles for hydraulic turbines
US-11692445-B2 · Jul 4, 2023 · US
Pre-formed plug with inter-blade profiles for hydraulic turbines
US-2023030140-A1 · Feb 2, 2023 · US
Francis-type turbine runner and Francis-type turbine
US-11566595-B2 · Jan 31, 2023 · US
Pre-formed plug with inter-blade profiles for hydraulic turbines
US-11454122-B2 · Sep 27, 2022 · US
Francis-type turbine runner and Francis-type turbine
US-11359596-B2 · Jun 14, 2022 · US
Hydroturbine runner blade local extension to avoid cavitation erosion
US-2022120253-A1 · Apr 21, 2022 · US
Francis-type turbine runner and francis-type turbine
US-2021277862-A1 · Sep 9, 2021 · US
Hydraulic turbine
US-11073124-B2 · Jul 27, 2021 · US
Francis-type turbine runner and francis-type turbine
US-2021207569-A1 · Jul 8, 2021 · US
Reduced scale runner and method of manufacturing thereof
US-2021164354-A1 · Jun 3, 2021 · US
Hydraulic machine comprising a radial flow runner
US-10954912-B2 · Mar 23, 2021 · US
Improvements Relating to Hydroturbine Manufacture
US-2021033060-A1 · Feb 4, 2021 · US
Guide vane apparatus for water turbine and water turbine equipped with the same
US-10900462-B2 · Jan 26, 2021 · US
Hydraulic machine comprising a radial flow runner
US-2020362811-A1 · Nov 19, 2020 · US
Hydraulic Turbine
US-2020149505-A1 · May 14, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F03B3/125?
- CPC F03B3/125 is the Cooperative Patent Classification code for “Rotors for radial flow at high-pressure side and axial flow at low-pressure side, e.g. for Francis-type turbines.”
- How many patents are filed under CPC F03B3/125 (Rotors for radial flow at high-pressure side and axial flow at low-pressure side, e.g. for Francis-type turbines)?
- Our database includes 39 publications tagged with this CPC code.
- Is patent activity under CPC F03B3/125 growing?
- Publication counts under this code: 6 in 2023 vs 2 in 2024 (latest complete years).