Assignee
XU RICHARD Y
US·6 granted patents·1 pending application·17 citations·filing 2009–2011
Technology mixE21B7
Top patents by PatentIndex Score
7 records- 0172US8439107B2Retrievable tool with ratchet lock featureXU RICHARD Y·Filed 2010·Granted May 14, 2013·4 cites·10 claims
- 0268US8678083B2Expandable liner hanger with helically shaped slipsXU RICHARD Y·Filed 2011·Granted Mar 25, 2014·3 cites·30 claims
- 0365US8191634B2Magnetic flapper shock absorberXU RICHARD Y·Filed 2009·Granted Jun 5, 2012·8 cites·20 claims
- 0463US8297349B2Openable port and methodXU RICHARD Y·Filed 2010·Granted Oct 30, 2012·2 cites·20 claims
- 0543US8225862B2Load distributing apparatus and methodXU RICHARD Y·Filed 2009·Granted Jul 24, 2012·0 cites·19 claims
- 0642US8550178B2Expandable isolation packerXU RICHARD Y·Filed 2011·Granted Oct 8, 2013·0 cites·23 claims
- 0739US2012186803A1Combined Fracturing Outlet and Production Port for a Tubular StringXU RICHARD Y·Filed 2011·Application pending·0 cites
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →