发明名称 Apparatus identification systems and methods
摘要 A member having a body, the body having two spaced-apart ends, wave energizable identification apparatus which, in one aspect, is radio frequency identification apparatus with integrated circuit apparatus and antenna apparatus on the exterior of the body, and encasement structure encasing the identification apparatus, the encasement structure, in certain aspects, including one or a plurality of layers of heat resistant material and, in certain aspects, at least one layer of heat resistant material, and methods for producing such a member.
申请公布号 US7159654(B2) 申请公布日期 2007.01.09
申请号 US20050059584 申请日期 2005.02.16
申请人 VARCO I/P, INC. 发明人 ELLISON LEON P.;KAMMANN REINHOLD;LAM CLIVE C;WORMS MANFRED H.;MCCLUNG, III GUY L.
分类号 E21B47/09;E21B7/00;E21B17/00;E21B41/00;E21B44/00;E21B47/01;G01V15/00 主分类号 E21B47/09
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