90863040
Aug 3, 2021
Valves, namely, cartridge valves, penu-hydro valves, regulating valves, relief valves, shuttle valves, check valves, control valves, and quick dump valves, all of the foregoing for use as machine parts; valves, namely, hydraulic valve actuators, shuttle valves being parts of machines, hydro-seal valves being parts of machines, poppet control valves in the nature of pump control valves
MachineryPressure relief valves for protecting hydraulic system tubing, piping, pumps and other components from damage caused by inadvertent system over-pressurization; unloading check valves for the outlets of air compressors; solenoid valves; poppet control valves for regulating the flow of gases and liquids
Electrical and Scientific Apparatus