Inventor · disambiguated record
Minglun Qiu
Also filed as: QIU MINGLUN
6 granted patents·2 pending applications·71 citations·filing 1993–2017
82Inventor score
Top patents by PatentIndex Score
8 records- 0182US8256582B2Methods and devices for surveying elevator hoistwaysQIU MINGLUN·Filed 2007·Granted Sep 4, 2012·17 cites·25 claims
- 0275US5564529AElevator car frame and platform assemblyOTIS ELEVATOR CO·Filed 1994·Granted Oct 15, 1996·28 cites·28 claims
- 0356US5325937AElevator platform isolationOTIS ELEVATOR CO·Filed 1993·Granted Jul 5, 1994·18 cites·4 claims
- 0455US10532910B2Underslung elevator car configurationOTIS ELEVATOR CO·Filed 2017·Granted Jan 14, 2020·0 cites·8 claims
- 0543US9701515B2Underslung elevator car configurationQIU MINGLUN·Filed 2008·Granted Jul 11, 2017·2 cites·6 claims
- 0639US2010089707A1Permanent magnet noise isolatorOTIS ELEVATOR CO·Filed 2007·Application pending·0 cites
- 0734US2002139619A1Hoistwayless elevator systemFiled 2000·Application pending·0 cites
- 0833US5492201AMethod and apparatus for installing and balancing an elevator carOTIS ELEVATOR CO·Filed 1994·Granted Feb 20, 1996·6 cites·21 claims
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