78022342
Aug 22, 2000
Sensors and other transducers mounted in a pipe structure or in connectors therefor; sensors and other transducers mounted in a pipe structure for oil well and other deep subterranean use; sensors and other transducers distributed along a pipe structure; and sensors and other transducers distributed along a pipe structure for oil well and other deep subterranean use
Electrical and Scientific ApparatusNon-metal pipes and tubes of composite material and connectors therefor use in the transport of liquid and gaseous fluids; non-metal pipes and tubes of composite material of the coilable and spoolable type for use in the transport of liquid and gaseous fluids; non-metal pipes and tubes of composite material of the coilable and spoolable type for use in oil wells and other deep subterranean uses
Rubber Goods