Fluid flow energy extraction system and method related thereto
US-12152564-B2 · Nov 26, 2024 · US
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having stationary wind-guiding means, e.g. with shrouds or channels (F03D9/35 takes precedence)
having stationary wind-guiding means, e.g. with shrouds or channels (F03D9/35 takes precedence) · 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 | F03D3/04 |
| Official title | having stationary wind-guiding means, e.g. with shrouds or channels (F03D9/35 takes precedence) |
| Display label | having stationary wind-guiding means, e.g. with shrouds or channels (F03D9/35 takes precedence) |
| Total patents | 21 |
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 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 1 |
| 2024 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method for mitigating vortex-shedding vibrations or stall-induced vibrations on rotor blade of a wind turbine during standstill
US-11867156-B2 · Jan 9, 2024 · US
Fluid flow energy extraction system and method related thereto
US-2022074384-A1 · Mar 10, 2022 · US
Fluid flow energy extraction system and method related thereto
US-11118564-B2 · Sep 14, 2021 · US
System and method for mitigating vortex-shedding vibrations or stall-induced vibrations on rotor blade of a wind turbine during standstill
US-2021079896-A1 · Mar 18, 2021 · US
Power generating system using current around structural body
US-10920746-B2 · Feb 16, 2021 · US
Internal mounted cylindrical turbine for electricity generation using exterior flush and scoop intakes
US-10865776-B2 · Dec 15, 2020 · US
Supplemental propulsion system for vehicles
US-10859065-B1 · Dec 8, 2020 · US
Floating wind turbine having twin vertical-axis turbines with improved efficiency
US-10844834-B2 · Nov 24, 2020 · US
Internal Mounted Cylindrical Turbine for Electricity Generation Using Exterior Flush and Scoop Intakes
US-2019390653-A1 · Dec 26, 2019 · US
Internal mounted cylindrical turbine for electricity generation using exterior flush and scoop intakes
US-10443570-B2 · Oct 15, 2019 · US
Floating wind turbine having twin vertical-axis turbines with improved efficiency
US-2019128241-A1 · May 2, 2019 · US
Seal shoe for a hydrostatic non-contact seal device
US-10208615-B2 · Feb 19, 2019 · US
Seal shoe for a hydrostatic non-contact seal device
US-2018306046-A1 · Oct 25, 2018 · US
Seal shoe for a hydrostatic non-contact seal device
US-10030531-B2 · Jul 24, 2018 · US
Wind-powered rotor and energy generation method using said rotor
US-9863398-B2 · Jan 9, 2018 · US
Fluid flow energy extraction system and method related thereto
US-2017298900-A1 · Oct 19, 2017 · US
Internal Mounted Cylindrical Turbine For Electricity Generation Using Exterior Flush And Scoop Intakes
US-2017241406-A1 · Aug 24, 2017 · US
Seal shoe for a hydrostatic non-contact seal device
US-2017211406-A1 · Jul 27, 2017 · US
Power generating system using current around structural body
US-2017191463-A1 · Jul 6, 2017 · US