Patents by Inventor Klaus Christl

Klaus Christl 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).

  • Method and device for measuring the cutting forces and limiting overloads of the cutting force in a platen press
    Patent number: 4812984
    Abstract: A device for measuring forces and avoiding overloads on platen presses includes a detection unit connected with a processing unit by a connection block. The processing unit includes an amplifying unit coupled with a calculation unit which is connected to a memory unit joined with a control unit for stopping the main motor of the platen press. The processing unit also is connected with a display unit which provides scale members for displaying the measured forces.
    Type: Grant
    Filed: February 12, 1987
    Date of Patent: March 14, 1989
    Assignee: Bobst SA
    Inventors: Marcel Yerly, Klaus Christl
  • Telescopic suction member for feeding sheet material
    Patent number: 3957263
    Abstract: Apparatus for handling sheet material incorporates a suction member for engaging and lifting individual sheets in order to separate and feed them. The suction member is mounted on a telescopic structure adapted to move outwardly to engage a sheet and to retract the sheet, once engaged, into a feeding position. The head of the suction member is mounted on a swivel arrangement to permit it to adapt to the plane of the sheet.
    Type: Grant
    Filed: March 2, 1973
    Date of Patent: May 18, 1976
    Assignee: J. Bobst & Fils S.A.
    Inventor: Klaus Christl