发明名称 SUCKER ROD APPARATUS AND METHOD
摘要 <p>The present disclosure relates to a fiberglass rod with connectors on each end. Each connector has a rod-receiving receptacle having an open end, a closed end, and axially spaced annular wedge shaped surfaces such that the compressive forces between the rod and the respective connector are defined by the shape of the wedged surfaces.</p>
申请公布号 HK1202602(A1) 申请公布日期 2015.10.02
申请号 HK20150103174 申请日期 2015.03.30
申请人 FINALROD IP LLC 发明人 RUTLEDGE, RUSSELL, P.;RUTLEDGE, RUSSELL, P. JR.;RUTLEDGE, RYAN, B.
分类号 E21B 主分类号 E21B
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