Assignee
XU ZHENG RONG
US·2 granted patents·1 pending application·9 citations·filing 2006–2009
Technology mixE21B3
Top patents by PatentIndex Score
3 records- 0163US8894069B2Inflatable packersXU ZHENG RONG·Filed 2006·Granted Nov 25, 2014·9 cites·25 claims
- 0229US2010186949A1Assembly for Controlled Delivery of Downhole Treatment FluidXU ZHENG RONG·Filed 2009·Application pending·0 cites
- 0328US8186437B2Assembly for controlled delivery of downhole treatment fluidXU ZHENG RONG·Filed 2009·Granted May 29, 2012·0 cites·22 claims
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