US Patent Issued to NATIONAL COUPLING on Aug. 4 for "Hydraulic coupling with dovetail seal having multiple radial sealing surfaces and inner biasing element" (Texas Inventor)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,858, issued on Aug. 4, was assigned to NATIONAL COUPLING COMPANY INC. (Stafford, Texas).

"Hydraulic coupling with dovetail seal having multiple radial sealing surfaces and inner biasing element" was invented by Robert E. Smith III (Stafford, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "An undersea hydraulic coupling member having a ring-shaped seal with multiple sealing surfaces extending radially inwardly therefrom is disclosed. The multiple sealing surfaces help guide the probe of the male coupling member into the female member without the risk of drag or galling of the receiving chamber or metal seal retained therein. The seal has an inter...