NONAUTOMATIC VALVES NAMELY

Brand Owner (click to sort) Address Description
QUARTROL USWATTA PARTNERS 3475 VISTA AVE CINCINNATI OH 45208 NONAUTOMATIC VALVES-NAMELY, INDUSTRIAL BALL VALVES AND BUTTERFLY VALVES;THE STIPPLING ON THE DRAWING IS A DESIGN FEATURE OF THE MARK AS USED AND IS NOT INTENDED TO INDICATE COLOR.;
QUARTROL CONSOLIDATED VALVES LTD. 3475 VISTA AVENUES CINCINNATI OH 45208 NONAUTOMATIC VALVES-NAMELY, INDUSTRIAL BALL VALVES AND BUTTERFLY VALVES;THE STIPPLING ON THE DRAWING IS A DESIGN FEATURE OF THE MARK AS USED AND IS NOT INTENDED TO INDICATE COLOR.;
QUARTROL QUARTROL CORPORATION P. O. BOX 11564 BIRMINGHAM AL 35202 NONAUTOMATIC VALVES-NAMELY, INDUSTRIAL BALL VALVES AND BUTTERFLY VALVES;THE STIPPLING ON THE DRAWING IS A DESIGN FEATURE OF THE MARK AS USED AND IS NOT INTENDED TO INDICATE COLOR.;
 

Where the owner name is not linked, that owner no longer owns the brand

    
Technical Examples
  1. A method of isolating a reservoir of production fluid in a formation comprises providing a pair of valves (14, 16) in a bore intersecting a production formation and in which the hydrostatic pressuer in the bore at the formation is normally lower than the formation pressure, and then ontrolling the valves (14, 16) from surface such that the valves (14, 16) will only move from a closed configuration to an open configuration on experiencing a predetermined differential pressure across the valves.