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Henkels & McCoy, Inc. Patents
Assignee:
Henkels & McCoy, Inc.
Address:
Blue Bell, PA
No. of patents:
7
Patents:












Patent Number Title Of Patent Date Issued
5498967 System and methods of use for conducting a neutral corrosion survey March 12, 1996
A system and method for testing underground electric cables, while in service, for active corrosion and degree of neutral loss. The method is conducted by applying a non-harmonic selected frequency signal to the neutral(s) of the underground cable connecting a pair of structures, e.g.,
5451862 System and method of use for conducting a neutral corrosion survey September 19, 1995
A system and method for testing underground electric cables, while in service, for active corrosion and degree of neutral loss. The method is conducted by applying a non-harmonic selected frequency signal to the neutral(s) of the underground cable connecting a pair of structures, e.g.,
5141258 Expansion joint for conduit for cables August 25, 1992
An expansion coupling and method of use for joining the ends of a pair of first and second conduits along a longitudinal axis. Each of the conduits is a tubular member of circular cross-section having an outside threaded leading end and an outside threaded trailing end. The coupling comp
5120083 Expansion joint for conduit for cables June 9, 1992
An expansion coupling and method of use for joining the ends of a pair of first and second conduits along a longitudinal axis. Each of the conduits is a tubular member of circular cross-section having an outside threaded leading end and an outside threaded trailing end. The coupling comp
4844658 Apparatus for burying pipe under water July 4, 1989
A sled device for burying a pipe within the ground under water. The sled is arranged to be pulled over the ground and includes a blade adjustably mounted within a tower in the sled. The blade is arranged to cut a furrow in the ground as the sled is pulled thereacross and to pull a pipe,
4793183 Automated positioning/drawing system and method of use December 27, 1988
A position sensing system and method of use in conjunction with a rail car mounted plow burying a cable adjacent the track. The plow is arranged for cutting a kerf in the ground and for inserting the cable therein as the car moves down the track. The plow is mounted on an articulated arm
4784524 Railroad cable laying apparatus with plow blade support and dual plow tethering November 15, 1988
An apparatus for holding the plow blade of a railroad car-mounted cable laying device which includes support means on the railroad car for supporting the plow blade thereon and stop means on the support means for prohibiting the plow blade from sliding off the support means. When more

 
 
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