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Method of locating pipelines using RFID technology

  • US 7,616,119 B2
  • Filed: 11/13/2006
  • Issued: 11/10/2009
  • Est. Priority Date: 01/11/2005
  • Status: Active Grant
First Claim
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1. A method of locating an underground pipe, the method comprising the steps of:

  • providing a radio frequency identification device of a suitable size and configuration for a particular task at hand;

    associating at least one such radio frequency identification device with the underground pipe to located;

    subsequently interrogating the radio frequency identification device from an above ground location by means of a suitable reader to thereby obtain information identifying the location of the underground pipe; and

    wherein the pipe comprises an extruded plastic body, and wherein the radio frequency identification device is associated with the underground pipe by embedding the radio frequency identification device within the body of the pipe during pipe manufacturing operations so that the radio frequency identification device is integrally located within the pipe body.

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