Description
Class F03B : MACHINES OR ENGINES FOR LIQUIDS
Subclass 3/12: Machines or engines of reaction type; Parts or details peculiar thereto Blades; Blade-carrying rotors
F03B 3/12
Sub-Class
Stats
- 382 US PATENTS IN FORCE
- 35 US APPLICATIONS PENDING
- 139 Total Patent Owners
- 1,664 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12221949 | Kaplan-type turbine | Nov 10, 22 | Feb 11, 25 | Zeco Di Zerbaro E Costa E C. S.R.L. |
| 12163499 | Oscillating water column turbine apparatuses | Jan 04, 23 | Dec 10, 24 | Not available |
| 12135007 | Horizontal shaft rotor | May 30, 19 | Nov 05, 24 | GLOBAL ENERGY CO.,LTD. |
| 12129823 | Fluid turbine with parachute-like catchers | Jul 19, 21 | Oct 29, 24 | Not available |
| 12085063 | Wind, wave, and water power generation system | May 09, 23 | Sep 10, 24 | ForceGenie, LLC |
| 12078141 | Hydroturbine manufacture | Jun 20, 23 | Sep 03, 24 | GE RENEWABLE TECHNOLOGIES |
| 12066001 | Gravitational turbine engine | May 04, 21 | Aug 20, 24 | Not available |
| 12037975 | Francis-type hydraulic machine | Jul 20, 23 | Jul 16, 24 | Voith Patent GmbH |
| 11976623 | Energy converting apparatus, energy converting system including same, and operating method thereof | Dec 04, 17 | May 07, 24 | CYTRONIQ CO., LTD |
| 11971007 | Power converter having boosting mechanism with multi-shaft vertically stepped turbine | Jan 27, 21 | Apr 30, 24 | MARINE DYNAMIC (HAINAN FREE TRADE ZONE) NEW ENERGY TECHNOLOGY LIMITED |
| 11946441 | Outer turbine system | Feb 10, 22 | Apr 02, 24 | Not available |
| 11840999 | Rotor | May 22, 19 | Dec 12, 23 | Not available |
| 11828261 | Axial flow turbine apparatus | Apr 16, 20 | Nov 28, 23 | FLEX MARINE POWER LTD |
| 11808245 | Hydroturbine manufacture | Jan 25, 19 | Nov 07, 23 | GE RENEWABLE TECHNOLOGIES |
| 11781518 | Hydraulic turbine with self-power generation to manage, monitor and control the pressure and flow in a water or other fluid supply system | Nov 14, 18 | Oct 10, 23 | Not available |
| 11781521 | Toroidal lift force engine | Feb 26, 21 | Oct 10, 23 | Not available |
| 11747835 | Self-powered remote control system for smart valve | Dec 03, 19 | Sep 05, 23 | DONGHAE ECO ENERGY LTD. |
| 11719075 | Torque to linear displacement for downhole power regulation | Aug 06, 21 | Aug 08, 23 | Halliburton Energy Services, Inc. |
| 11692445 | Pre-formed plug with inter-blade profiles for hydraulic turbines | Sep 21, 22 | Jul 04, 23 | GE RENEWABLE TECHNOLOGIES |
| 11668273 | Hydroelectric power generation device | Feb 14, 19 | Jun 06, 23 | Not available |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0067,239 | HYDRAULIC TURBINE | Apr 08, 24 | Feb 27, 25 | Not available |
| 2025/0012,248 | METHOD OF REFURBISHING AN ENERGY CONVERSION FACILITY AND REFURBISHED ENERGY CONVERSION FACILITY | Sep 13, 24 | Jan 09, 25 | Voith Patent GmbH |
| 2024/0426,276 | WIND, WAVE, AND WATER POWER GENERATION SYSTEM | Sep 09, 24 | Dec 26, 24 | Not available |
| 2024/0287,956 | HYDROELECTRIC/HYDROKINETIC TURBINE AND METHODS FOR MAKING AND USING SAME | Jan 23, 24 | Aug 29, 24 | HYDROKINETIC ENERGY CORP |
| 2024/0263,612 | ROTOR CONFIGURATON | Feb 07, 23 | Aug 08, 24 | Not available |
| 2024/0254,956 | FLUID TURBINE ASSEMBLY AND METHOD OF ACTUATION OF A FLUID TURBINE | May 26, 21 | Aug 01, 24 | Not available |
| 2024/0229,756 | FLUID TURBINE ASSEMBLY AND METHOD OF ACTUATION OF A FLUID TURBINE | May 26, 21 | Jul 11, 24 | Not available |
| 2024/0167,447 | HELICALLY SHAPED WING AND HYDRAULIC MICROPOWER GENERATOR | Mar 10, 22 | May 23, 24 | Not available |
| 2024/0044,312 | CONICAL TURBINE HYDRAULIC MACHINE | Oct 18, 23 | Feb 08, 24 | Not available |
| 2023/0400,004 | SYSTEM FOR POWER GENERATION USING OCEAN WAVES | Jun 12, 23 | Dec 14, 23 | Not available |
| 2023/0296,073 | HYDRAULIC TURBINE | Feb 28, 23 | Sep 21, 23 | Not available |
| 2023/0111,613 | Accelerated and/or Redirected Flow-Inducing and/or Low Pressure Field or Area-Inducing Arrangement, Their Use with Turbine-Like Devices and Methods for Using Same | Aug 30, 22 | Apr 13, 23 | Not available |
| 2022/0412,300 | Waterpower Stream Amplifier Device | Jun 21, 22 | Dec 29, 22 | Not available |
| 2022/0325,688 | HYDROKINETIC ENERGY DEVICE | Jun 16, 22 | Oct 13, 22 | Not available |
| 2022/0136,479 | THE IMPELLER ASSEMBLY FOR HYDROELECTRIC POWER GENERATION DEVICE | Mar 30, 20 | May 05, 22 | Not available |
| 2022/0034,291 | SYSTEMS AND METHODS FOR GENERATING ELECTRICAL ENERGY | Oct 19, 21 | Feb 03, 22 | WATEROTOR ENERGY TECHNOLOGIES INC. |
| 2021/0231,094 | HYDRAULIC TURBINE | Mar 13, 20 | Jul 29, 21 | Not available |
| 2020/0408,183 | WIND OR MARINE ENERGY CAPTURE SYSTEM | Jun 25, 20 | Dec 31, 20 | Not available |
| 2020/0408,184 | HYDRAULIC TURBINE | Aug 11, 20 | Dec 31, 20 | Not available |
| 2020/0251,960 | DEVICES AND METHODS FOR FLUID MASS POWER GENERATION SYSTEMS | Jan 31, 19 | Aug 06, 20 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 34 Months (last 2 years Issuances)
- 34 Months (last 5 years Issuances)