Assignee
YAO JING JAMES
CA·3 granted patents·20 citations·filing 2008–2010
Top patents by PatentIndex Score
3 records- 0185US8079647B2Vibratory milling machine having linear reciprocating motionYAO JING JAMES·Filed 2008·Granted Dec 20, 2011·17 cites·20 claims
- 0265US8561730B2Foot valve assembly for a down hole drillYAO JING JAMES·Filed 2010·Granted Oct 22, 2013·3 cites·29 claims
- 0349US8056985B2Vibratory machineYAO JING JAMES·Filed 2010·Granted Nov 15, 2011·0 cites·21 claims
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