74491150
Feb 17, 1994
automation and control of oil and gas production and transmission systems incorporating hardware and software for control, safety, security and environmental protection for the oil and gas, petrochemical and process control markets; namely, BTU analyzers, gas-flow measurement instrumentation, rod pump controllers, electro, hydraulic and pneumatic wellhead control systems, pressure sensing devices, and microprocessor based system control, analysis and data acquisition
Electrical and Scientific Apparatus