Patents by Inventor Johan Cappelaere

Johan Cappelaere 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).

  • Patent number: 4817677
    Abstract: Method for controlling the warp let-off on weaving machines, with the characteristic that the method consists of: detecting the variation with time of at least one of the parameters which are a function of the warp tension and speed of motion of the warp threads; taking the detected signal and removing the effects due to variations in the weave pattern; and using the resulting cleaned signal to control at least one warp drive motor.
    Type: Grant
    Filed: August 21, 1987
    Date of Patent: April 4, 1989
    Assignee: Picanol N.V.
    Inventors: Filip Deconinck, Johan Cappelaere, Michel Vandeweghe