Control Devices, Incorporated

Eric Farqué

Jason Farqué

A multiple frequency ping transmitter which can be carried by a pig which is used in an underwater pipeline. The ping transmitter produces a ping chord which includes a plurality of different tone frequencies which are simultaneously transmitted in the ping chord. Procedures are also provided wherein the multiple frequency ping transmitter is used in a system and method for located a pig which is stuck in the underwater pipeline or for determining the relative velocity of a moving pig.

Acoustic transmitter and method for underwater pipeline inspection gauges

A pressure resistant, impact resistant, and corrosion resistant electromagnetic transmitter for pipeline uses and other applications. During use, the ferromagnetic core, the electromagnetic windings, and the other electromagnetic transmission components of the transmitter are entirely contained and sealed within a rugged outer housing.

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Tulsa, OK, United States of America

Eric Farqué