Patents by Inventor Gilbert Filipe Maria Witters

Gilbert Filipe Maria Witters 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).

  • Grinding machine
    Patent number: 6331138
    Abstract: A grinding machine comprises a frame having a rotary casing that bears rotary holders for grinding discs, as well as a drive motor which is mounted on the frame and interacts with the casing and the holders to drive the machine. The drive motor is connected by means of a continuous flexible or articulated element to the holders for driving the latter in the direction of rotation, wherein at least one of the holders is coupled to the frame by means of a gear transmission, in order to bring the casing into rotation when said holder is driven.
    Type: Grant
    Filed: April 10, 2000
    Date of Patent: December 18, 2001
    Assignees: Holland Industriele Diamantwerken B.V., Witcan N.V.
    Inventors: Gilbert Filipe Maria Witters, Johannes Petrus Van Vliet, Joop Henk Muller