Patents by Inventor Antonius G. M. Dassen

Antonius G. M. Dassen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Wind turbine
    Patent number: 5533865
    Abstract: In order to reduce the noise nuisance caused during operation by rotor blades of a rotor of a wind turbine the rear edge of each blade is irregularly formed. In particular the saw-tooth form with a top angle smaller than about 150.degree. and preferably 10.degree. is found to produce a considerable noise reduction.
    Type: Grant
    Filed: October 6, 1994
    Date of Patent: July 9, 1996
    Assignee: Stork Product Engineering B.V.
    Inventors: Antonius G. M. Dassen, Franklin Hagg