Description
Class F03B : MACHINES OR ENGINES FOR LIQUIDS
Subclass 3/04: Machines or engines of reaction type; Parts or details peculiar thereto with substantially axial flow throughout rotors, e.g. propeller turbines
F03B 3/04
Sub-Class
Stats
- 92 US PATENTS IN FORCE
- 14 US APPLICATIONS PENDING
- 34 Total Patent Owners
- 241 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12258930 | Siphonage hydroelectric generation device with screw turbine | Apr 01, 24 | Mar 25, 25 | Not available |
| 12168969 | Current energy collection unit | Mar 17, 21 | Dec 17, 24 | Not available |
| 12158134 | Energy conversion device and energy conversion arrangement | Jul 01, 22 | Dec 03, 24 | Not available |
| 12152377 | Faucet hand sterilizer | Aug 01, 23 | Nov 26, 24 | Not available |
| 12129823 | Fluid turbine with parachute-like catchers | Jul 19, 21 | Oct 29, 24 | Not available |
| 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 |
| 11959451 | Pumped-storage hydropower generation tower employing conduit turbines installed in multiple stages | Sep 06, 19 | Apr 16, 24 | Not available |
| 11946441 | Outer turbine system | Feb 10, 22 | Apr 02, 24 | Not available |
| 11795906 | Powered augmented fluid turbines | Oct 05, 18 | Oct 24, 23 | ORGANOWORLD INC. |
| 11781521 | Toroidal lift force engine | Feb 26, 21 | Oct 10, 23 | Not available |
| 11767762 | Rotor for an electricity generator | Oct 22, 20 | Sep 26, 23 | FREEFLOW ENERGY PTY LIMITED |
| 11719215 | Conduit turbine for supporting conduit of water wheel rotational body, and hydroelectric generator having conduit turbines serially provided in multiple levels | Sep 06, 19 | Aug 08, 23 | Not available |
| 11719075 | Torque to linear displacement for downhole power regulation | Aug 06, 21 | Aug 08, 23 | Halliburton Energy Services, Inc. |
| 11655796 | Submersible hydro power generating system | Aug 08, 22 | May 23, 23 | Not available |
| 11428200 | Accelerated and-or redirected flow-inducing and-or low pressure field or area-inducing arrangement, their use with turbine-like devices and method for using same | Jun 01, 21 | Aug 30, 22 | HYDROKINETIC ENERGY CORP |
| 11248579 | Booster assembly and apparatus | May 22, 17 | Feb 15, 22 | BRADDELL LIMITED |
| 11242840 | Ocean water power-generator | Oct 12, 20 | Feb 08, 22 | Not available |
| 11223256 | Hybrid generator | Aug 02, 16 | Jan 11, 22 | ORA CO., LTD. |
| 11215159 | Kinetic modular machine for producing energy from fluid flows | Apr 18, 19 | Jan 04, 22 | MAZO ENERGY TECH LTD |
| 11174829 | Hydroelectric/hydrokinetic turbine and methods for making and using same | May 03, 19 | Nov 16, 21 | HYDROKINETIC ENERGY CORP |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0067,239 | HYDRAULIC TURBINE | Apr 08, 24 | Feb 27, 25 | Not available |
| 2025/0043,761 | WATER TRANSPORTATION PIPE POWER GENERATION DEVICE WITH FLOW-REGULATING AND PRESSURE-REGULATING FUNCTION | Jan 22, 24 | Feb 06, 25 | Not available |
| 2024/0287,956 | HYDROELECTRIC/HYDROKINETIC TURBINE AND METHODS FOR MAKING AND USING SAME | Jan 23, 24 | Aug 29, 24 | HYDROKINETIC ENERGY CORP |
| 2024/0191,682 | Hydroelectric power generation system | Mar 20, 23 | Jun 13, 24 | Not available |
| 2024/0151,205 | POWER AMPLIFICATION, STORAGE AND REGENERATION SYSTEM AND METHOD USING TIDES, WAVES AND/OR WIND | Oct 27, 23 | May 09, 24 | Not available |
| 2024/0068,445 | POWER GENERATING WINDBAGS AND WATERBAGS | Nov 06, 23 | Feb 29, 24 | 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 |
| 2022/0372,943 | RECOVERY OF WORK FROM A LIQUEFIED GAS USING HYBRID PROCESSING | Jul 29, 22 | Nov 24, 22 | Not available |
| 2021/0231,094 | HYDRAULIC TURBINE | Mar 13, 20 | Jul 29, 21 | Not available |
| 2019/0101,094 | WATER TURBINE, AND CONNECTING STRUCTURE OF TWO MALE SCREW SHAFTS AND CONNECTING STRUCTURE OF TWO SHAFTS RESPECTIVELY USED FOR WATER TURBINE | Mar 16, 17 | Apr 04, 19 | Not available |
| 2018/0094,617 | Device and Method to Convert Reciprocating Linear Motion into Linear Fluid Flow | Oct 04, 17 | Apr 05, 18 | Not available |
| 2016/0251,964 | APPARATUS AND METHODS FOR ENERGY CONVERSION | Nov 30, 15 | Sep 01, 16 | Not available |
| 2015/0240,777 | Turbine structure and OWC device comprising such turbine structure | Oct 04, 13 | Aug 27, 15 | Not available |
| 2014/0356,136 | FLUID-POWERED MOTORS AND PUMPS | Aug 18, 14 | Dec 04, 14 | ZODIAC POOL SYSTEMS, INC. |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 30 Months (last 2 years Issuances)
- 30 Months (last 5 years Issuances)