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| 2022/0120,253 | HYDROTURBINE RUNNER BLADE LOCAL EXTENSION TO AVOID CAVITATION EROSION | Jan 17, 20 | Apr 21, 22 | Not available |
| 2021/0388,808 | Hydroturbine Runner Crown with Balancing Slots | Nov 20, 19 | Dec 16, 21 | Not available |
| 2014/0186,186 | Hydraulic Machine | Jul 26, 12 | Jul 03, 14 | VOITH PATENT GMBH |
| 2011/0103,951 | FRANCIS-TYPE HYDRAULIC TURBINE WHEEL EQUIPPED WITH A TIP-FORMING MEMBER, AND METHOD OF REDUCING FLUCTUATIONS USING SUCH A WHEEL | Mar 04, 09 | May 05, 11 | ALSTOM RENEWABLE TECHNOLOGIES |
| 2011/0020,124 | TIP-FORMING MEMBER FOR A WHEEL OF A HYDRAULIC MACHINE, AND WHEEL AND HYDRAULIC MACHINE EQUIPPED WITH SUCH A MEMBER | Mar 04, 09 | Jan 27, 11 | ALSTOM RENEWABLE TECHNOLOGIES |
| 2010/0278,636 | MAGNETIC DEVICE FOR DAMPING BLADE VIBRATIONS IN TURBOMACHINES | Nov 25, 08 | Nov 04, 10 | SIEMENS AKTIENGESELLSCHAFT |
| 2010/0129,198 | HYDRAULIC MACHINE INCLUDING MEANS FOR INJECTING A FLOW DRAWN FROM A MAIN FLOW | Jul 23, 08 | May 27, 10 | GE RENEWABLE TECHNOLOGIES |
| 2010/0129,200 | PELTON HYDRAULIC MACHINE INCLUDING MEANS FOR INJECTING A FLOW DRAWN FROM A MAIN FLOW | Jul 23, 08 | May 27, 10 | GE RENEWABLE TECHNOLOGIES |
| 2010/0129,201 | HYDRAULIC MACHINE INCLUDING MEANS FOR INJECTING A FLOW DRAWN FROM A MAIN FLOW | Jul 23, 08 | May 27, 10 | GE RENEWABLE TECHNOLOGIES |
| 2009/0087,305 | Exit stay apparatus with intermediate flange | Sep 28, 07 | Apr 02, 09 | Not available |
| 2005/0180,846 | Fan array fan section in air-handling systems | Mar 31, 05 | Aug 18, 05 | NORTEK AIR SOLUTIONS, LLC |
| 2005/0152,778 | Cantilevered stator stage | Dec 30, 04 | Jul 14, 05 | ROLLS-ROYCE PLC |
| 2004/0076,512 | Noise reduction conduit for static components in aircraft engines | Aug 18, 03 | Apr 22, 04 | SENER, INGENIERIA Y SISTEMAS, S.A. |