73394004
Sep 29, 1982
Sep 11, 1984
Automatically Operated Fluid Flow Control Valves for Surface and Sub-Surface Devices for Oil and Gas Production, and for Valve Control Devices-Namely, High and Low Pressure Sensing Pilot Valves, Pilot Relay Valves to Bleed Off Pressure from an Actuator Valve or Pneumatic System, Valves to Detour Flow, and Indicating Relay Valves to Indicate the First Component of a System in which a Malfunction Occurs
Electrical and Scientific ApparatusManufacture of Pneumatic Controls, Valves and Anti-Pollution Surface and Sub-Surface Safety Oil and Gas Production Equipment to the Order and/or Specification of Others
Building Construction and RepairCustomized Training and Instruction in Instrumentation and Product Repair of Pneumatic Controls, Valves, and Anti-Pollution Surface and Sub-Surface Safety Equipment for Oil and Gas Production
Education and EntertainmentCustom Design of Pneumatic Controls, Valves and Anti-Pollution Surface and Sub-Surface Safety Oil and Gas Production Equipment to the Order and/or Specification of Others; Distributorship Services in the Field of Pneumatic Controls, Valves and Anti-Pollution Surface and Sub-Surface Safety Oil and Gas Production Equipment
Computer and Scientific