Clipper Windpower Technology, Inc.
14Patents
3Active
14Granted
36Portfolio score
Filing activity: Oct 25, 2001 → Mar 27, 2007 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7042110B2 | Variable speed distributed drive train wind turbine system | Emerging Cross-Sectional Technologies | 147 | Expired |
| US6726439B2 | Retractable rotor blades for power generating wind and ocean current turbines and means for operating below set rotor torque limits | Emerging Cross-Sectional Technologies | 58 | Expired |
| US7432686B2 | Wind turbine generator apparatus with utility fault ride-through capability | Emerging Cross-Sectional Technologies | 58 | Active |
| US7317260B2 | Wind flow estimation and tracking using tower dynamics | Emerging Cross-Sectional Technologies | 39 | Expired |
| US7095597B1 | Distributed static var compensation (DSVC) system for wind and water turbine applications | Emerging Cross-Sectional Technologies | 38 | Expired |
| US7582977B1 | Extendable rotor blades for power generating wind and ocean current turbines within a module mounted atop a main blade | Emerging Cross-Sectional Technologies | 32 | Active |
| US6923622B1 | Mechanism for extendable rotor blades for power generating wind and ocean current turbines and means for counter-balancing the extendable rotor blade | Emerging Cross-Sectional Technologies | 31 | Expired |
| US7233129B2 | Generator with utility fault ride-through capability | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6955025B2 | Self-erecting tower and method for raising the tower | Emerging Cross-Sectional Technologies | 26 | Expired |
| US7002259B2 | Method of controlling electrical rotating machines connected to a common shaft | Emerging Cross-Sectional Technologies | 25 | Expired |
| US7339355B2 | Generator with utility fault ride-through capability | Emerging Cross-Sectional Technologies | 23 | Active |
| US7581926B1 | Servo-controlled extender mechanism for extendable rotor blades for power generating wind and ocean current turbines | Emerging Cross-Sectional Technologies | 22 | Expired |
| US7069802B2 | Distributed power train (DGD) with multiple power paths | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6731017B2 | Distributed powertrain that increases electric power generator density | Emerging Cross-Sectional Technologies | 17 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.