I-beam check valve
Impact resistant pressure relief valve
Implantable magnetically-actuated valve
Improved automatic recirculation valve
Improved automatic recirculation valve
Improved ball and cage valve for downhole reciprocating pumps
Improved ball valve
Improved ball valve element
Improved ball-type valve
Improved core design for electromagnetically actuated valve
Improved flexible rotor valve seal and ganged rotor valve...
Improved flow for port guided globe valve
Improved gas pressure regulator
Improved gasket for an aerosol valve stem
Improved integrated torque motor and throttle body
Improved integrated valve design for gas chromatograph
Improved liquid flow control system
Improved metal ball valves for gas
Improved plug valve
Improved replaceable ceramic disc valve