Patents by Inventor Karsten Witt

Karsten Witt 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).

  • Hovercraft and process of regulating air cushion
    Patent number: 5655616
    Abstract: The surface effect vehicle comprises a plurality of lift fans for generating an air cushion, each of the fans having a drive with a motor and a regulating circuit with sensors and actuators for acting on the air cushion, each of the drives having an associated regulating circuit, the drive of the first one of the lift fans being operated as a master drive, while a rest of the lift fans being operated as follower drives.
    Type: Grant
    Filed: July 19, 1995
    Date of Patent: August 12, 1997
    Inventors: Hans Witt, Henrik Witt, Karsten Witt