A non-refillable safety valve for a pressure container. The valve includes a housing, having a central bore, which provides communication between a port and the pressure container for charging and sel

A safety ignition valve for a pilotless burner comprises a valve body having an inlet for connection to a fuel supply, an outlet for connection to the burner and a valve seat between the inlet and out

An annulus subsurface safety valve for installation between inner and outer concentric members and controlling a fluid passageway therein in which the safety valve is locked to the outer member when t

A velocity sensitive safety valve mechanism, according to the present invention, may include a ball valve assembly that is rotated between open and closed positions to control the flow of production f

In a well safety valve for controlling the fluid flow through a well conduit in which the valve has a housing and a tubular member controlling a valve element the improvement in means for opening and

A tubular housing having an inner tubular member forms an inner passageway inside of the inner member and an outer passageway between the inner member and the housing. The housing has valve openings l

A safety valve has a valve body defining a valve chamber having a longitudinal axis with flow passages at opposite ends of the axis, transverse walls at opposite ends of the valve chamber separating t

A safety valve having a flow tube telescopically movable in the housing for controlling the opening and closing of the valve in which the housing has a fluid chamber with a piston connected to the flo