US Patent Issued to ARMOR TOOLS INTERNATIONAL on Jan. 27 for "Field-adjustable, seal-less frangible downhole pressure control and isolation device and subassembly for conduit in wellbore" (Canadian Inventor)

ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,977, issued on Jan. 27, was assigned to ARMOR TOOLS INTERNATIONAL INC. (Red Deer, Canada).

"Field-adjustable, seal-less frangible downhole pressure control and isolation device and subassembly for conduit in wellbore" was invented by Conrad Petrowsky (Red Deer, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A well apparatus for pressure control in a tubular string includes: a frangible disc seal for holding pressure; a structure slideably moveable within the inner bore of a body of the apparatus; a plurality of pins coupled between the body and the structure for holding the structure in place until a force applied against the structure exceed...