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NORSCAN INC

US4 patents

Top patents by PatentIndex Score

US6181140B1Jan 30, 2001

Method of estimating the location of a cable break including a means to measure resistive fault levels for cable sections

NORSCAN INC45 citations91
US6459271B1Oct 1, 2002

Open cable locating for sheathed cables

NORSCAN INC15 citations81
US6437572B1Aug 20, 2002

Interactive method and apparatus for locating and identifying utilities

NORSCAN INC5 citations62
US6194889B1Feb 27, 2001

Enhancement of tone transmission over cable sheaths for cable location

NORSCAN INC2 citations62