US 12,072,265 B2
Leak detection method and apparatus
Matthew Sanders, Cypress, TX (US)
Assigned to Stress Engineering Services, Inc., Houston, TX (US)
Filed by Stress Engineering Services, Inc., Houston, TX (US)
Filed on Oct. 25, 2021, as Appl. No. 17/510,308.
Claims priority of provisional application 63/104,943, filed on Oct. 23, 2020.
Prior Publication US 2022/0128426 A1, Apr. 28, 2022
Int. Cl. G01M 3/10 (2006.01); G01M 3/38 (2006.01)
CPC G01M 3/10 (2013.01) [G01M 3/38 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A testing apparatus comprising:
a scale;
a container located on the scale;
a graduated cylinder having a column of liquid with a sealed top portion and an open bottom portion, suspended above the scale having the bottom portion disposed within a liquid in the container; and
a leak detection input tube entering the liquid in the container and terminating inside the bottom portion of the graduated cylinder, wherein any gas from the input tube is trapped in the top portion of the graduated cylinder.