Description
Class F03B : MACHINES OR ENGINES FOR LIQUIDS
Subclass 3/18: Machines or engines of reaction type; Parts or details peculiar thereto Stators Stator blades; Guide conduits or vanes, e.g. adjustable
F03B 3/18
Sub-Class
Stats
- 105 US PATENTS IN FORCE
- 17 US APPLICATIONS PENDING
- 47 Total Patent Owners
- 324 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11795908 | Vertical-axis renewable-power generator | Dec 02, 22 | Oct 24, 23 | Not available |
| 11781521 | Toroidal lift force engine | Feb 26, 21 | Oct 10, 23 | Not available |
| 11649798 | Reversible pump turbine and guide vane for the reversible pump turbine | Aug 12, 19 | May 16, 23 | Andritz AG |
| 11594943 | In place machining of collector ring | Jul 14, 21 | Feb 28, 23 | ANDRITZ HYDRO CORP. |
| 11585353 | Rotating guide vane module for hydraulic working condition adjustment and method of assembling in turbopump | Aug 28, 20 | Feb 21, 23 | Institute of Seawater Desalination and Multipurpose Utilization, MNR (Tianjin); Tianjin Blue Cross Membrane Technology Co. Ltd.; |
| 11566597 | Startup method of francis turbine and francis turbine | Jun 18, 21 | Jan 31, 23 | KABUSHIKI KAISHA TOSHIBA; Toshiba Energy Systems & Solutions Corporation; |
| 11566595 | Francis-type turbine runner and Francis-type turbine | Dec 15, 20 | Jan 31, 23 | KABUSHIKI KAISHA TOSHIBA; Toshiba Energy Systems & Solutions Corporation; |
| 11530678 | Wicket gate for a hydraulic turbine or pump | Feb 28, 19 | Dec 20, 22 | Voith Patent GmbH |
| 11509876 | Hand-held turbine cleaner | Jun 01, 20 | Nov 22, 22 | ICA Turbine LLC |
| 11433491 | Resurfacing discharge ring of hydraulic turbine with runner in place | Jul 14, 21 | Sep 06, 22 | ANDRITZ HYDRO CORP. |
| 11359595 | Runner for a hydraulic turbine or pump and method of manufacturing | Feb 28, 19 | Jun 14, 22 | Voith Patent GmbH |
| 11300006 | Guide vane bearing and maintenance method | Dec 19, 17 | Apr 12, 22 | Voith Patent GmbH |
| 11231006 | Method for stabilizing the rotation speed of a hydraulic machine with S-characteristics and installation for converting hydraulic energy into electrical energy | Jul 24, 15 | Jan 25, 22 | Not available |
| 11174829 | Hydroelectric/hydrokinetic turbine and methods for making and using same | May 03, 19 | Nov 16, 21 | HYDROKINETIC ENERGY CORP |
| 11073124 | Hydraulic turbine | Nov 18, 19 | Jul 27, 21 | GE RENEWABLE TECHNOLOGIES |
| 11067054 | Vortex generator | Jun 21, 18 | Jul 20, 21 | National University of Ireland Galway |
| 11047360 | Methods, systems, and devices to optimize a fluid harvester | Nov 06, 18 | Jun 29, 21 | National Technology & Engineering Solutions of Sandia, LLC; |
| 11028816 | Gravitational vortex water turbine assembly | Dec 08, 16 | Jun 08, 21 | TURBULENT BVBA |
| 11002242 | Axial-flow turbine for low-head installations | Jul 21, 15 | May 11, 21 | Not available |
| 10995727 | Power generation plant having a Kaplan, bulb, diagonal flow or propeller turbine | Jul 02, 19 | May 04, 21 | ANDRITZ HYDRO GMBH |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0003,380 | Hydroelectric Turbine Device and Method of Use | Dec 14, 23 | Jan 02, 25 | Not available |
| 2024/0352,913 | FLUID CONNECTION FOR A HYDROMOTIVE MACHINE | Apr 19, 24 | Oct 24, 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 |
| 2023/0108,404 | SYSTEM INCLUDING CAVITATION IMPELLER AND TURBINE | Sep 02, 22 | Apr 06, 23 | Mico-Combustion, LLC |
| 2022/0381,216 | Hydroelectric turbine for generating electricity by converting energy of ocean waves | May 27, 21 | Dec 01, 22 | Not available |
| 2022/0074,380 | HYDROELECTRIC/HYDROKINETIC TURBINE AND METHODS FOR MAKING AND USING SAME | Nov 16, 21 | Mar 10, 22 | HYDROKINETIC ENERGY CORP |
| 2021/0285,414 | Reversible Pump Turbine and Guide Vane for the Reversible Pump Turbine | Aug 12, 19 | Sep 16, 21 | Not available |
| 2020/0300,210 | APPARATUS AND METHOD FOR MODIFYING A GEOMETRY OF A TURBINE PART | Jun 08, 20 | Sep 24, 20 | Not available |
| 2019/0309,723 | METHOD FOR OPTIMIZING THE ADJUSTMENT OF THE GATING OF AT LEAST ONE HYDRAULIC TURBINE | Jul 04, 17 | Oct 10, 19 | Not available |
| 2019/0257,281 | BI-DIRECTIONAL SCALABLE TURBINE | Feb 20, 19 | Aug 22, 19 | Not available |
| 2018/0313,320 | GUIDE VANE APPARTUS FOR WATER TURBINE AND WATER TURBINE EQUIPPED WITH THE SAME | Apr 20, 18 | Nov 01, 18 | KABUSHIKI KAISHA TOSHIBA; TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION; |
| 2018/0252,198 | HYDRAULIC INSTALLATION AND METHOD FOR OPERATING THE SAME | Sep 09, 16 | Sep 06, 18 | Not available |
| 2017/0321,649 | APPARATUS AND METHOD FOR MODIFYING A GEOMETRY OF A TURBINE PART | Jul 07, 15 | Nov 09, 17 | GE RENEWABLE TECHNOLOGIES, Alston Renewable Technologies, |
| 2017/0260,959 | HYDRAULIC TURBOMACHINE | Jun 01, 17 | Sep 14, 17 | VOITH PATENT GMBH |
| 2017/0030,324 | SUBMERSIBLE ELECTRICAL WICKET GATES OPERATOR | Apr 16, 15 | Feb 02, 17 | FRANKLIN EMPIRE |
| 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 |
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)