US 12,276,578 B1
High pressure gas fitting leak detection systems and related methods
Dale Aurich, Prescott, AZ (US)
Assigned to HP Leak Detection LLC, Prescott, AZ (US)
Filed by Dale Aurich, Prescott, AZ (US)
Filed on Oct. 6, 2023, as Appl. No. 18/482,477.
Int. Cl. G01M 3/28 (2006.01); F16L 23/04 (2006.01); F16L 23/16 (2006.01)
CPC G01M 3/2853 (2013.01) [F16L 23/04 (2013.01); F16L 23/167 (2013.01); F16L 2201/30 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A gas leak indication system comprising:
a ring comprising a flange extending from an interior surface of the ring, the flange comprising one seal channel on each side of the flange, and the ring comprising a flow opening extending into a projection extending from an exterior surface of the ring;
an extender threadedly coupled into a side opening in the projection, the extender comprising a flow opening therethrough;
an indicator threadedly coupled onto the extender, the indicator comprising a flow channel extending therethrough; and
a cap coupled over an end of the indicator by a friction fit.