1
Kenann John G, Detaranto Jr Joseph: Pneumatic fuse. Marotta Valve Corporation, November 23, 1971: US3621873 (8 worldwide citation)

The open position of this pneumatic fuse valve is adjustable to change the rate of fluid flow at which the valve closes. The valve has static pressure balance when opened regardless of the pressure in the pipeline and even though the valve has a connection with the space surrounding the outside of i ...


2
Worden Donald A: Construction for in-line pressure control valve. Marotta Valve Corporation, July 6, 1971: US3590847 (5 worldwide citation)

This specification discloses a flow control valve construction in which the valve element remains stationary and the seat moves. The seat is part of an annular piston or similar element which extends circumferentially around the valve element and which cooperates with the valve element to form a par ...


3
Tillman Alfred: Spring assembly. Marotta Valve Corporation, February 16, 1971: US3563527 (5 worldwide citation)

A spring assembly having an annular disc of spring material connected at its inner and outer edges to cylindrical elements that connect the disc between the parts with which the spring is to function. The cylindrical elements are constructed with cutouts that divide the elements into secondary sprin ...


4
Petry Henry Alfred, Rerecich Francis, Spangenberg Gerhard: Apparatus for controlling rolling mill. Marotta Valve Corporation, March 14, 1972: US3648496 (3 worldwide citation)

A system for controlling rolling mills, especially roll contour, has hydraulic motors supplied with working fluid through a pressure regulator. The downstream pressure of the working fluid from the pressure regulator is adjusted by selectively supplying and venting fluid from a loading chamber of th ...


5
Fluid pressure regulators. Marotta Valve, August 29, 1962: GB904624-A

904,624. Valves. MAROTTA VALVE CORPORATION. Nov. 25, 1958 [Nov. 27, 1957], No. 38008/58. Class 135. A spring-closed valve member 32, Fig. 1, of a pressure regulator, balanced with respect to pressure in inlet 22 and seating at 34 to control the supply of pressure fluid to the outlet 24 and to a pres ...


6
Detaranto Joseph, Kenann John Graham: Three-way electro-magnetically actuated fluid flow control valve. Marotta Valve, April 18, 1962: GB894232-A

894,232. Electromagnetically-actuated valves. MAROTTA VALVE CORPORATION. March 23, 1960, No. 10366/60. Class 135. An electromagnetically - actuated valve comprises a movable valve member 25, Fig. 1, formed with two sealing faces 22, 32 which co-operate with two longitudinally - spaced seats. The val ...


7
Kowalski Slawomir: Pilot controlled fluid shut-off valve. Marotta Valve, July 3, 1963: GB930548-A

930,548. Valves. MAROTTA VALVE CORPORATION. Nov. 4, 1959, No. 37473/59 Class 135. During the closing movement of a pilot-controlled main closure 20, Fig. 1, interposed between an inlet 15 and an outlet 16, the controlled fluid also flows through passages 56, 58 and 60, past a check valve 62 and a pi ...


8
Kenann John Graham: Fluid flow control valve assemblies. Marotta Valve, October 16, 1963: GB939996-A

939,996. Valves. MAROTTA VALVE CORPORATION. March 21, 1960, No. 9996/60. Class 135. A valve assembly comprises a housing 10 having a valve chamber 12 therein with a wall forming a shoulder 16, a longitudinally movable valve element 25, a valve seat assembly 19 in the chamber and having one end face ...


9

10
Worden Donald Allison, Smolen Sam Robert: Pressure regulator. Marotta Valve, September 28, 1966: GB1044368-A

1,044,368. Valves. MAROTTA VALVE CORPORATION. July 1, 1963, No. 26019/63. Heading F2V. A combined pressure regulator and relief valve comprises a housing 10 having a main chamber 11 with inlet, outlet, and vent passages 22, 12, and 24 respectively, the inlet and vent passages communicating with the ...