Patents by Inventor Jean-Pierre Gallandere

Jean-Pierre Gallandere 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: 5303641
    Abstract: A method for checking the driving and control system of a hydraulic punch press is provided which comprises the steps of delivering a stop order signal to the driving device, sensing the position of the sliding punch member along its stroke and comparing the time or the distance required by the punch member to come practically to a stop, with preset reference values, and producing a fault signal when the time or distance exceeds the preset reference values.
    Type: Grant
    Filed: October 22, 1992
    Date of Patent: April 19, 1994
    Inventor: Jean-Pierre Gallandere