Patents by Inventor Gunther Hengelein

Gunther Hengelein 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: 6345848
    Abstract: The locking movement and/or the unlocking movement of a bimetallic drive of an electrothermally-controlled locking apparatus, for example for household-device doors, is or are driven by a separate bimetal member (10, 11) over only a first segment of its movement path. In the process, energy is supplied to the energy store (28) of a tipping over-center device until a dead-center position is attained, the energy being released as a moving drive for the remaining segment of the movement path when the dead-center position is exceeded, thereby cutting off the bimetal drive and stabilizing the locking member (2) in its end position.
    Type: Grant
    Filed: November 4, 1999
    Date of Patent: February 12, 2002
    Assignee: Ellenberger & Poensgen GmbH
    Inventors: Helmut Baader, Hubert Harrer, G√ľnther Hengelein
  • Patent number: 6145898
    Abstract: A door locking device for an electrical apparatus, in particular a household appliance, including a lock having a locking slide, supported in the lock and movable back and forth between an opening position and a closing position, having a blocking device for arresting the locking slide in its closing position, and having a locking tang (1, 51) which drops into the lock as the appliance door is being closed and once the appliance door is in its closed state is in engagement with the locking slide, in which a gear mechanism is permanently operative between the locking slide and the locking tang, for converting the drop-in motion of the locking tang upon closure or the dropping-out motion of the locking tang upon opening of the appliance door into a displacement motion of the locking slide (9, 69) once the blocking device is deactivated, and having a compulsory guidance of the locking tang in the lock in such a way that every opening motion of the appliance door from any arbitrary door position, once the blockin
    Type: Grant
    Filed: April 30, 1998
    Date of Patent: November 14, 2000
    Assignee: Ellenberger & Poensgen GmbH
    Inventors: Oswald Onderka, Gunther Hengelein, Hubert Harrer