VA Tech Hydro GmbH
16Patents
5Active
16Granted
38Portfolio score
Filing activity: Aug 13, 1999 → Sep 15, 2011 · 4 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6281597A | Hydroelectric installation and method of constructing same | Emerging Cross-Sectional Technologies | 25 | Expired |
| US7372172B2 | Device and method for the generation of electrical energy | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6729843B1 | Partial splitter vane for reaction hydraulic turbine | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6930407B2 | Method for producing a hydropower plant | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7061135B2 | Device for generation of electrical power | Emerging Cross-Sectional Technologies | 4 | Expired |
| US8035261B2 | Method and device for cooling an electric machine | Electricity | 3 | Active |
| US7284948B2 | Turbine with tube arrangement and method of preventing detachment of a fluid flow | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7210908B2 | Hydraulic machine rotor | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7318700B2 | Spiral pertaining to a turbo-machine | Emerging Cross-Sectional Technologies | 2 | Expired |
| US8192164B2 | Turbine runner with reduced leakage of servo-oil | Emerging Cross-Sectional Technologies | 2 | Active |
| US7275914B2 | Pelton bucket | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7658589B2 | Turbine with tube arrangement and method of preventing detachment of a fluid flow | Emerging Cross-Sectional Technologies | 1 | Active |
| US7067935B2 | Method for regulating the level of a dam installation and dam installation implementing the method | Emerging Cross-Sectional Technologies | 0 | Expired |
| US7999428B2 | Apparatus for thermomechanical decoupling of the housing and stationary part of a rotating machine | Emerging Cross-Sectional Technologies | 0 | Active |
| US8288901B2 | Method and device for cooling an electric machine | Electricity | 0 | Active |
| US7094002B2 | Holding apparatus for a dam unit of a dam installation and a method for holding and raising or lowering such a dam unit | Fixed Constructions | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.