US Patent Issued to Caterpillar Inc. Joint OC on July 7 for "Modular plunger packing gland assembly" (Texas Inventors)

ALEXANDRIA, Va., July 7 -- United States Patent no. 12,674,452, issued on July 7, was assigned to Caterpillar Inc. Joint OC (Peoria, Ill.).

"Modular plunger packing gland assembly" was invented by Justin Lane Poehls (Glen Rose, Texas), Connor Robert Landrum (Burleson, Texas) and David Theodore Figgs (Fort Worth, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A modular plunger packing gland assembly for a plunger of a hydraulic frac pump is disclosed. The modular plunger packing gland assembly includes an annular packing nut configured to be disposed circumferentially about the plunger and proximate a plurality of annular seals disposed about the plunger, and an annular packing gland having an inner cir...