Description
Class F03B : MACHINES OR ENGINES FOR LIQUIDS
Subclass 3/10: Machines or engines of reaction type; Parts or details peculiar thereto characterised by having means for functioning alternatively as pumps or turbines
F03B 3/10
Sub-Class
Stats
- 32 US PATENTS IN FORCE
- 10 US APPLICATIONS PENDING
- 9 Total Patent Owners
- 89 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 |
| 12180923 | Method for starting a turbine in a pump mode | Jan 12, 24 | Dec 31, 24 | GE RENEWABLE TECHNOLOGIES |
| 12025090 | Reactive, reversible blade turbine for power generation and pumping water | Nov 02, 20 | Jul 02, 24 | Not available |
| 11873789 | Method for starting a turbine in a pump mode | Oct 29, 20 | Jan 16, 24 | GE RENEWABLE TECHNOLOGIES |
| 11840815 | Circular dam and methods for generating, accumulating, storing, and releasing electrical energy | Nov 16, 22 | Dec 12, 23 | Not available |
| 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.; |
| 11365713 | Pumped hydro energy storage system and method | Apr 13, 19 | Jun 21, 22 | MAGELLAN & BARENTS, S.L. |
| 11300093 | Reversible pump-turbine installation | Apr 30, 18 | Apr 12, 22 | Not available |
| 11248578 | Method for operating a hydraulic machine and corresponding installation for converting hydraulic energy into electrical energy | Mar 15, 18 | Feb 15, 22 | Not available |
| 11239778 | Stabilization of hydraulic machines with S-zone characteristics | Feb 09, 18 | Feb 01, 22 | Not available |
| 11199171 | Flow controller | Sep 23, 20 | Dec 14, 21 | E.ON Sverige AB |
| 11008997 | Hydroelectric system in a plant | Jul 30, 19 | May 18, 21 | Not available |
| 10907608 | Hydraulic installation and method for operating the same | Sep 09, 16 | Feb 02, 21 | Not available |
| 10871168 | Impeller for a pump or turbine, and pump or turbine with impeller | Dec 19, 14 | Dec 22, 20 | Not available |
| 10830202 | Flow controller | Dec 15, 17 | Nov 10, 20 | E.ON Sverige AB |
| 10724496 | Reversible water pump and hydroturbine | Jan 28, 16 | Jul 28, 20 | Not available |
| 10415540 | Method for stabilizing the rotation speed of a hydraulic machine with S-characteristics and installation for converting hydraulic energy into electrical energy | Dec 01, 15 | Sep 17, 19 | Not available |
| 10408186 | Combined pump and turbine | Nov 17, 16 | Sep 10, 19 | Not available |
| 10371118 | Device and method for converting and storing electrical energy in the form of compressed air | Jun 01, 16 | Aug 06, 19 | SEGULA ENGINEERING FRANCE |
| 10100803 | Ocean wave-crest powered electrical generator in combination with pumped storage | Sep 07, 16 | Oct 16, 18 | Not available |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0035,080 | REACTIVE, REVERSIBLE BLADE TURBINE FOR POWER GENERATION AND PUMPING WATER | Oct 11, 24 | Jan 30, 25 | Not available |
| 2024/0318,620 | ENERGY STORAGE SYSTEM FOR STORING ENERGY IN A WATERBODY | Jun 24, 22 | Sep 26, 24 | Not available |
| 2024/0093,665 | PUMP AND REVERSIBLE PUMP-TURBINE | Nov 28, 23 | Mar 21, 24 | Not available |
| 2024/0035,433 | MODULAR RIM-DRIVE PUMP-TURBINE | Nov 16, 21 | Feb 01, 24 | Not available |
| 2022/0372,944 | METHODS AND APPARATUS FOR MOVING FLUID USING A NEW BLADE SHAPE | Apr 13, 22 | Nov 24, 22 | Not available |
| 2022/0252,037 | MULTI-MODE SUBTERRANEAN ENERGY SYSTEM | Jul 10, 20 | Aug 11, 22 | Not available |
| 2020/0132,038 | FLOW CONTROLLER | Dec 15, 17 | Apr 30, 20 | E.ON Sverige AB |
| 2019/0170,109 | PUMPED STORAGE HYDROPOWER SYSTEM | Feb 01, 19 | Jun 06, 19 | Not available |
| 2018/0252,198 | HYDRAULIC INSTALLATION AND METHOD FOR OPERATING THE SAME | Sep 09, 16 | Sep 06, 18 | Not available |
| 2018/0023,532 | REVERSIBLE WATER PUMP AND HYDROTURBINE | Jan 28, 16 | Jan 25, 18 | 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)