Patents by Inventor Henricus Van Vessem

Henricus Van Vessem 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).

  • Publication number: 20070170296
    Abstract: A winch installation comprises a rotatably supported main winch device, such as a drum, for winding and unwinding an elongated flexible object such as a wire or cable. At least one auxiliary winch device is rotatably supported so as to be rotatable around the main winch device, said at least one auxiliary winch device being provided with at least one aperture for allowing the flexible object to pass from the circumference of the main winch device and outwardly with respect to the circumference of the auxiliary winch device, and control means for controlling the rotations of said winch device.
    Type: Application
    Filed: January 25, 2006
    Publication date: July 26, 2007
    Inventors: Marcel Van Meel, Henricus Van Vessem