Assignee
O & K ROLLTREPPEN GMBH
DE·10 granted patents·131 citations·filing 1993–1999
Top patents by PatentIndex Score
10 records- 0161US6129442ALighting device for systems used for conveying peopleO & K ROLLTREPPEN GMBH·Filed 1996·Granted Oct 10, 2000·36 cites·24 claims
- 0257US6247575B1Safety device for systems for conveying personsO & K ROLLTREPPEN GMBH·Filed 1998·Granted Jun 19, 2001·20 cites·12 claims
- 0353US5398800ASafety device for a people moverO & K ROLLTREPPEN GMBH·Filed 1994·Granted Mar 21, 1995·16 cites·10 claims
- 0440US5944164AAssembly method for steps or pallets of escalators or moving sidewalksO & K ROLLTREPPEN GMBH·Filed 1999·Granted Aug 31, 1999·9 cites·5 claims
- 0539US5992604ASwitching arrangement for returning a people-conveying device to a state of readinessO & K ROLLTREPPEN GMBH·Filed 1996·Granted Nov 30, 1999·11 cites·17 claims
- 0639US5918722AFastening device for steps or pallets of escalators or moving sidewalksO & K ROLLTREPPEN GMBH·Filed 1997·Granted Jul 6, 1999·9 cites·6 claims
- 0738US5810148ATread element for escalators and travelatorsO & K ROLLTREPPEN GMBH·Filed 1997·Granted Sep 22, 1998·10 cites·11 claims
- 0834US5775477ADrive system for curved escalatorO & K ROLLTREPPEN GMBH·Filed 1994·Granted Jul 7, 1998·9 cites·13 claims
- 0926US5819902ASafety device for escalatorsO & K ROLLTREPPEN GMBH·Filed 1997·Granted Oct 13, 1998·7 cites·12 claims
- 1025US5544729ACurved escalatorO & K ROLLTREPPEN GMBH·Filed 1993·Granted Aug 13, 1996·4 cites·6 claims
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