Adjustable static pressure regulator
Air trap for shutting off flexible plastic tubing
Automatic hose clamp
Axial flow regulator improvements including restrictor
Axial flow throttling valve
Axial flow valve
Bag closing apparatus
Bladder valve
Choke valve especially used in oil and gas wells
Clamp for tubular bodies
Concrete hose shut-off valve
Expansible tube valve
Expansible tube valves
Fiberglass, reinforced concrete hose shut-off valve
Flexible tube clip
Flexible tubing pinchcock
Flow regulation valve
Fluid conduit having a variable inner diameter
Fluid flow control sleeve valve
Fluid operated pinch valve