Assignee
WITTUR AG
DE·6 granted patents·66 citations·filing 1995–2003
Top patents by PatentIndex Score
6 records- 0176US7252179B2Elevator-door latching and opening deviceWITTUR AG·Filed 2003·Granted Aug 7, 2007·22 cites·12 claims
- 0257US6510923B1Control method and apparatus for a hydraulic elevator using only load pressure dataWITTUR AG·Filed 2000·Granted Jan 28, 2003·11 cites·12 claims
- 0338US6742629B2Valve control unit for a hydraulic elevatorWITTUR AG·Filed 2001·Granted Jun 1, 2004·3 cites·20 claims
- 0434US6102165AAntifriction bearing with signal generator and method for using sameWITTUR AG·Filed 1997·Granted Aug 15, 2000·8 cites·20 claims
- 0533US6782975B1Pre-assembled elevator shaftWITTUR AG·Filed 1998·Granted Aug 31, 2004·13 cites·23 claims
- 0633US6146303ADrive unit for a hoistWITTUR AG·Filed 1995·Granted Nov 14, 2000·9 cites·11 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →