Patents by Inventor Arnold Schack

Arnold Schack 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: 6209612
    Abstract: Door system with a locking device which has top and bottom locking elements which can be displaced by a drive unit to realize a door system which is simple and easy to install, whereby the functional and operational reliability of the system are increased. For this purpose, associated with each of the top and bottom locking elements is an actuator element whereby the actuator elements are fastened to a single slide which is held on a beam so that it can move perpendicular to the sliding direction of the leaf and which can be moved indirectly by the drive unit.
    Type: Grant
    Filed: January 12, 2000
    Date of Patent: April 3, 2001
    Assignee: DORMA GmbH + Co. KG
    Inventors: Arnold Schack, Heinz Kleyer, Torsten Niederste-Ostholt
  • Patent number: 5804931
    Abstract: A wall partition system and a device and method to automatically move partition panels, the position of which can be changed by a drive motor. Because the device for the automatic movement of the partition runs on a separate pair of rails, such a device can be retrofitted on existing systems.
    Type: Grant
    Filed: March 13, 1996
    Date of Patent: September 8, 1998
    Assignee: Dorma GmbH + Co. KG
    Inventor: Arnold Schack