Ross Operating Valve Company

Douglas M Thornton

Logan H Mathis

Raymond A Miller, Jr

A safety monitor for a dual valve of the type that provides a malfunction signal when one of the valve members of the dual valve is not in its intended position. The monitor comprises a simple pressure sensing device that senses the pressure downstream of the inlet valve element of each of the valve members for sensing when a pressure exists downstream of the valve element.

Monitor for double safety valves

A construction for the housing of a unit which has a pair of male supply terminals and a differently oriented male ground terminal, which precludes improper mating and potential shock hazard. The construction comprises a shroud surrounding the housing surface from which the terminals protrude and which corresponds to the female outlet housing contour and thus permits insertion of the terminals in only the correct position.

Electrical terminal construction

A method and construction for the formation of an internal thread for fluid or other ports which may receive NPT, BSP tapered, or BSP parallel external threads. The port configuration varies with different nominal tube bore diameters, but comprises one or more of the following:

Growing community of inventors

Rochester, MI, United States of America

Douglas M Thornton