Actuators for valves, namely, linear actuator for valves; air switching valves being parts of machines; apparatus being machine for filtering, namely, milk filtering machine; apparatus being machine for filtering gases, namely, gas filtering machine for chemical processing; apparatus in the nature of machines for compressing natural gas; apparatus in the nature of machine for filling gas in bottles; apparatus in the nature of machines for filling gas in containers; apparatus in the nature of machines for the compression of gas; [ devices being machines operated by compressed air, namely, compressed air pump operated by compressed air; filters being parts of machine; ] fluid pressure flow control valves being parts of machines; gas operated apparatus in the nature of machines for cutting; gas blow torches being tools; gas welding apparatus; gas welding machines; metal welding apparatus gas operated; pressure regulators being parts of machines; pressure valves being parts of machines; pneumatic process control apparatus, namely, pneumatic controls for machines, motors and engines; regulators for use in welding machines; stainless steel pipe fittings being parts of machines; valves being parts of machines; Gas regulators; Safety valves for gas in pipes; Stop valves for being regulating gas in pipes; Safety valves for gas pipe apparatus; Pressure controllers being regulators for gas pipes; Stop valves being safety apparatus for gas pipes; Pressure controllers being regulators for gas apparatus; Stop valves being safety apparatus for gas apparatus; Pressure relief valves being safety apparatus for gas pipes; Pressure relief valves being safety apparatus for gas apparatus
