Assignee
XIE YUZHI
CN·4 granted patents·2 citations·filing 2007–2008
Technology mixB66D4
Top patents by PatentIndex Score
4 records- 0138US8157077B2Clutch device for electric winchesXIE YUZHI·Filed 2007·Granted Apr 17, 2012·1 cites·4 claims
- 0238US7823864B2Plane braking device for electric winches and electric winchXIE YUZHI·Filed 2007·Granted Nov 2, 2010·1 cites·8 claims
- 0333US8512191B2Variable speed control device of a power winchXIE YUZHI·Filed 2008·Granted Aug 20, 2013·0 cites·10 claims
- 0431US7857289B2Tapered braking device for electric winchesXIE YUZHI·Filed 2007·Granted Dec 28, 2010·0 cites·9 claims
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