Patents by Inventor Stefan Eppich

Stefan Eppich 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).

  • Arrangement for carrying out a two-stage linear movement
    Patent number: 5345766
    Abstract: An arrangement for carrying out a two-stage linear movement with a stationary and a movable constructional unit, comprises a hydraulic cylinder and an hydraulic piston preferably in the form of a plunger. The hydraulic piston has a hollow volume which houses a plunger piston which, in turn, rests on a spindle rotated by a servomotor in the movable construct-ional unit. The plunger piston can be displaced axially in the hydraulic piston and also in the hydraulic cylinder by use of the spindle.
    Type: Grant
    Filed: July 12, 1993
    Date of Patent: September 13, 1994
    Assignee: Engel Maschinenbau Gesellschaft m.b.H.
    Inventors: Heinz Leonhartsberger, Stefan Eppich, Werner Kappelmuller