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| 9951798 | Device for controlling the movement of a hydraulic cylinder, particularly for hydraulic machines | Jan 08, 15 | Apr 24, 18 | GE RENEWABLE TECHNOLOGIES |
| 9941820 | Force modification system for wave energy convertors | Aug 05, 16 | Apr 10, 18 | OSCILLA POWER, INC. |
| 9938958 | Vertical axis wind and hydraulic turbine with flow control | Jan 08, 13 | Apr 10, 18 | Not available |
| 9863394 | Fluid turbine | Apr 02, 15 | Jan 09, 18 | CASSIUS ADVISIORS GMBH, WINDTREE GMBH, |
| 9810195 | Turbine with radial inlet and outlet and multi-element guide vanes for oscillating flows | Oct 02, 13 | Nov 07, 17 | DRESSER-RAND COMPANY, DRESSER-RAND COMPANY LTD., |
| 9777585 | Guide vane assembly | Aug 15, 13 | Oct 03, 17 | ROLLS-ROYCE PLC |
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| 9664170 | Hydroelectric generator | Aug 04, 14 | May 30, 17 | Not available |
| 9657708 | Pumped-storage system | Jul 29, 16 | May 23, 17 | Not available |
| 9651018 | Power generating assembly | Dec 12, 14 | May 16, 17 | Vorias, Mihalis |
| 9617968 | Hydraulic machine | Jul 26, 12 | Apr 11, 17 | VOITH PATENT GMBH |
| 9534576 | Cryogenic liquid turbine | Dec 30, 11 | Jan 03, 17 | XI'AN JIAOTONG UNIVERSITY |
| 9512815 | Multipurpose rotary device and generating system including same | Mar 16, 12 | Dec 06, 16 | Not available |
| 9494146 | Fluid pressure amplifier | Jun 17, 11 | Nov 15, 16 | WATER POWERED TECHNOLOGIES LIMITED |
| 9494173 | Device for controlling the movement of a ring gate of a hydraulic machine and hydraulic machine comprising such a device | Jan 20, 11 | Nov 15, 16 | GE RENEWABLE TECHNOLOGIES |
| 9394806 | Guide apparatus for turbomachines | Aug 19, 11 | Jul 19, 16 | ANDRITZ HYDRO GMBH |
| 9388706 | Method and system for tuning a turbine using secondary injection nozzles in nozzle ring | Feb 01, 13 | Jul 12, 16 | Fluid Equipment Development Company, LLC |
| 9371815 | Turbine with radial inlet and outlet rotor for use in bidirectional flows | Feb 15, 11 | Jun 21, 16 | INSTITUTO SUPERIOR TECNICO |
| 9322385 | Hydro vortex enabled turbine generator | Feb 07, 13 | Apr 26, 16 | Not available |