Description
Class F03B : MACHINES OR ENGINES FOR LIQUIDS
Subclass 3/14: Machines or engines of reaction type; Parts or details peculiar thereto Blades; Blade-carrying rotors Rotors having adjustable blades
F03B 3/14
Sub-Class
Stats
- 58 US PATENTS IN FORCE
- 11 US APPLICATIONS PENDING
- 31 Total Patent Owners
- 184 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12241446 | Reactive, reversible blade turbine for power generation and pumping water | Feb 12, 24 | Mar 04, 25 | Not available |
| 12104574 | Kinetic fluid energy conversion system | Jul 15, 21 | Oct 01, 24 | SJK Energy Solutions, LLC |
| 12025090 | Reactive, reversible blade turbine for power generation and pumping water | Nov 02, 20 | Jul 02, 24 | Not available |
| 12012924 | Fixed and pitching blades, spar shaft, bearings and materials for marine current turbine | Mar 07, 22 | Jun 18, 24 | Aquantis, Inc. |
| 11946441 | Outer turbine system | Feb 10, 22 | Apr 02, 24 | Not available |
| 11927170 | Cycloturbine modular river current energy converter and method and apparatus for deploying marine hydrokinetic turbine assembly to harvest riverine and ocean tidal current energy | Jan 10, 22 | Mar 12, 24 | Purdue Research Foundation |
| 11835025 | Systems and methods for hydro-based electric power generation | Apr 08, 22 | Dec 05, 23 | Big Moon Power, Inc. |
| 11428199 | Turbomachine module for a variable pitch blade propeller and turbomachine comprising it | Jul 15, 20 | Aug 30, 22 | SAFRAN AIRCRAFT ENGINES |
| 11421644 | Self-regulating water turbine sub-runner, and a water turbine equipped with self-regulating water turbine sub-runner | Feb 23, 18 | Aug 23, 22 | COMPOSITE HYDRAULIC TURBINE OTTAWA INC. |
| 11319920 | Systems and methods for hydro-based electric power generation | Mar 06, 20 | May 03, 22 | Big Moon Power, Inc. |
| 11118565 | Fluidic rotor having orientable blades with improved blade control | Mar 30, 17 | Sep 14, 21 | ADV TECH |
| 11085417 | Kinetic fluid energy conversion system | Dec 21, 20 | Aug 10, 21 | SJK Energy Solutions, LLC |
| 11067053 | Method for orientating the blades of a turbine | Nov 09, 17 | Jul 20, 21 | GE RENEWABLE TECHNOLOGIES |
| 10995727 | Power generation plant having a Kaplan, bulb, diagonal flow or propeller turbine | Jul 02, 19 | May 04, 21 | ANDRITZ HYDRO GMBH |
| 10982643 | Underwater turbine apparatus and method | Jul 10, 20 | Apr 20, 21 | Dimitri Petrov Consultants Inc. |
| 10968882 | Movable-blade operation system for hydraulic machine | Feb 22, 18 | Apr 06, 21 | KABUSHIKI KAISHA TOSHIBA; TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION; |
| 10961978 | Turbine unit for hydraulic installation | Jan 21, 16 | Mar 30, 21 | GE Renewable Techologies |
| 10941747 | Gravitational vortex variable water flow energy generating system including adjustable height turbine and diffuser assemblies | Oct 21, 19 | Mar 09, 21 | Not available |
| 10620269 | Pitch system and method for test of a power bank and use of the pitch system for performing the method | Jun 27, 16 | Apr 14, 20 | DEIF A/S |
| 10598144 | Device for reversing a blade of a runner unit | Jan 12, 17 | Mar 24, 20 | GE RENEWABLE TECHNOLOGIES |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0084,817 | Turbine Assembly, System and Method | Sep 11, 24 | Mar 13, 25 | Not available |
| 2025/0035,080 | REACTIVE, REVERSIBLE BLADE TURBINE FOR POWER GENERATION AND PUMPING WATER | Oct 11, 24 | Jan 30, 25 | Not available |
| 2024/0209,825 | CYCLOTURBINE MODULAR RIVER CURRENT ENERGY CONVERTER AND METHOD AND APPARATUS FOR DEPLOYING MARINE HYDROKINETIC TURBINE ASSEMBLY TO HARVEST RIVERINE AND OCEAN TIDAL CURRENT ENERGY | Feb 22, 24 | Jun 27, 24 | Not available |
| 2024/0102,440 | LIFT-TYPE VERTICAL SHAFT WIND OR WATER TURBINE | Sep 17, 20 | Mar 28, 24 | Not available |
| 2024/0093,668 | TURBINE DEVICE, POWER APPARATUS AND POWER INTEGRATED SYSTEM OF ELECTRIC POWER SYSTEM | Sep 15, 23 | Mar 21, 24 | Not available |
| 2022/0397,088 | Self-Regulating Water Turbine Runner, Water Turbine Equipped with Sub-Runner Located Upstream of the Main Runner and Water Turbine Comprising the Same | Oct 22, 20 | Dec 15, 22 | Not available |
| 2022/0252,036 | CYCLOTURBINE MODULAR RIVER CURRENT ENERGY CONVERTER AND METHOD AND APPARATUS FOR DEPLOYING MARINE HYDROKINETIC TURBINE ASSEMBLY TO HARVEST RIVERINE AND OCEAN TIDAL CURRENT ENERGY | Jan 10, 22 | Aug 11, 22 | Not available |
| 2021/0017,949 | TURBOMACHINE MODULE FOR A VARIABLE PITCH BLADE PROPELLER AND TURBOMACHINE COMPRISING IT | Jul 15, 20 | Jan 21, 21 | SAFRAN AIRCRAFT ENGINES |
| 2019/0383,259 | Self-Regulating Water Turbine Sub-Runner, and a Water Turbine Equipped with Self-Regulating Water Turbine Sub-Runner | Feb 23, 18 | Dec 19, 19 | Not available |
| 2018/0340,508 | DRAG REDUCTION METHOD FOR HYDROKINETIC VERTICAL AXIS TURBINE BLADES AND STRUCTURES | May 22, 18 | Nov 29, 18 | POWER DEVELOPMENT INTERNATIONAL, INC. |
| 2017/0138,331 | VARIABLE AREA BLADE TURBINE AND CONDITIONING FLOW DEFLECTORS DEVICE AND METHOD | Nov 16, 16 | May 18, 17 | CORPORACION ANDINA DE FOMENTO |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 31 Months (last 2 years Issuances)
- 31 Months (last 5 years Issuances)