Patents by Inventor Johny Grimmonprez

Johny Grimmonprez 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).

  • Weaving machine with main shaft lock
    Patent number: 5046534
    Abstract: A weaving machine of the type in which a main shaft is braked by an electromagnetic brake has, in addition to the brake, a lock for locking the main shaft against rotation. The lock includes a locking element which meshes into gear teeth of a wheel coupled to the main shaft. The lock is automatically activated when power to the weaving machine fails, and may be deactivated by turning a hand wheel.
    Type: Grant
    Filed: June 29, 1990
    Date of Patent: September 10, 1991
    Assignee: Picanol N.V., naamloze vennootschap
    Inventors: Andre Vandenbroucke, Johny Grimmonprez, Walter Bilcke