1
Buls Melvin Lawrence, Hall Randy Jerold: Trim for ansi class v shut off valves.. Fisher Controls Int, December 8, 1993: EP0573399-A1 (9 worldwide citation)

The disclosed valve provides a seal (63) between the valve plug (49) and the valve body to substantially prevent leakage therebetween when the valve is in its closed position. The seal can be arranged for minimizing the net forces acting on the valve plug to close the valve or to keep the valve clos ...


2
Hall Randy Jerold, Burr Ronald Charles, Stiehl Mark Douglas: Control valve pressure bleed inspection port. Fisher Controls Int, November 15, 2006: EP1722141-A2 (1 worldwide citation)

A valve (10) with an integral means for bleeding internal pressure prior to separation of a bonnet (14) for the valve from its engagement with the valve body, provided by a bore (20) through the valve body. This allows the internal pressure of the valve to equalize with atmospheric pressure prior to ...


3
Hall Randy Jerold, Burr Ronald Charles: Valve plug. Fisher Controls Int, May 30, 2007: EP1790888-A2

A valve assembly has a valve body (12) having an inlet passageway (54) and an outlet passageway (56). A flow orifice (72) is disposed within valve body and provides flow communication between the inlet passageway (54) and outlet passageway (56). A valve seat (70) cooperates with the flow orifice (72 ...


4
Paullus Steven Burl, Nelson Danny Paul, Eggleston Philip Wayne, Hall Randy Jerold, Rasmussen Kenneth Lemoyne, Osgood Melvin Lew: Actionneur de vanne avec embase de montage dappareillage et collecteur, Valve activator with instrument mounting manifold. Fisher Controls International, Fisher Controls International, RIDOUT & MAYBEE, October 16, 1997: CA2251713

A valve actuator with an instrument mounting pad and a manifold in a power module and yoke combination for mounting a valve controller instrument without tubing or mounting brackets. A cover encloses the feedback linkage between the actuator and instrument. The actuator includes a second instrument ...


5
Hall Randy Jerold, Burr Ronald C: Obturateur de robinet permettant de varier la dimension de lorifice, Variable port valve plug. Fisher Controls International, Fisher Controls International, RIDOUT & MAYBEE, November 6, 2007: CA2405394

A valve assembly has a valve body having an inlet passageway and an outlet passageway. A flow orifice is disposed within valve body and provides flow communication between the inlet passageway and outlet passageway. A valve seat cooperates with the flow orifice and a variable port valve plug to open ...


6
Hall Randy Jerold, Burr Ronald Charles, Stiehl Mark Douglas, Burlage Brian J, Cartwright Carter B: Dispositif de reglage du debit dun robinet de commande, Control valve flow adjustment device. Fisher Controls International, Fisher Controls International, RIDOUT & MAYBEE, March 14, 2006: CA2394903

A valve includes a fluid inlet passage having a fluid inlet, a fluid outlet passage, an orifice between the fluid inlet passage and the fluid outlet, and a moveable valve plug adapted to move with respect to the orifice to vary the flow of fluid between the fluid inlet passage and the fluid outlet p ...


7
Hall Randy Jerold, Burr Ronald Charles, Stiehl Mark Douglas: Orifice dinspection permettant de purger la pression dun robinet de commande, Control valve pressure bleed inspection port. Fisher Controls International, Fisher Controls International, RIDOUT & MAYBEE, May 30, 2006: CA2394885

A valve with an integral means for bleeding internal pressure prior to separation of a bonnet for the valve from its engagement with the valve body, provided by a bore through the valve body. This allows the internal pressure of the valve to equalize with atmospheric pressure prior to complete disas ...


8
Hall Randy Jerold, Burr Ronald Charles, Stiehl Mark Douglas: Control valve pressure bleed inspection port. Fisher Controls Int, September 1, 2004: EP1451496-A1

A valve with an integral means for bleeding internal pressure prior to separation of a bonnet for the valve from its engagement with the valve body, provided by a bore through the valve body. This allows the internal pressure of the valve to equalize with atmospheric pressure prior to complete disas ...


9
Hall Randy Jerold, Burr Ronald Charles, Stiehl Mark Douglas, Burlage Brian J, Cartwright Carter B: Control valve flow adjustment device. Fisher Controls Int, August 11, 2004: EP1444445-A1

A valve includes a fluid inlet passage having a fluid inlet (24), a fluid outlet passage (26), an orifice between the fluid inlet passage and the fluid outlet, and a moveable valve plug adapted to move with respect to the orifice to vary the flow of fluid between the fluid inlet passage and the flui ...


10
Hall Randy Jerold, Burr Ronald Charles, Stiehl Mark Douglas, Miller Carl D: Replaceable valve seat. Fisher Controls Int, August 11, 2004: EP1444456-A1

A replaceable valve seat ring for a valve assembly has an annular ring body and an open flow passage extending through the ring body. A seating surface is provided on the ring body adjacent one end of the flow passage. A tool accepting region of the flow passage is formed concentric with and at leas ...