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| Number | Title | Issue Date |
| 6189657 | Linear motor for driving a lift car A linear motor for lifts for driving a lift car guided in a lift shaft with at least one stator winding row which can be fixed to the lift shaft or to the lift car and with at least one row of exciter magnets of alternating polarity which are situated opp... | 02/20/2001 |
| 5609239 | Locking system A mounting structure or holding frame movable along a conveyor system has a locking device which includes a seat with a recess to accommodate a connection component of a workpiece, and a latch pivotable to open or close the recess and bearing a start roll... | 03/11/1997 |
| 5487448 | Device for monitoring a control unit The invention relates to a monitoring device for a control unit having a ety chain. In accordance with the invention, the monitoring device has a testable switching device which is provided with input and output terminals such that a monitoring loop may ... | 01/30/1996 |
| 5456562 | Parking device A parking device contains parking boxes (20) for parking cars in two high storage racks arranged to either side of a conveying floor (14). A hoisting appliance (64) is longitudinally movable on the floor (14) between the high storage racks has a verticall... | 10/10/1995 |
