ALEXANDRIA, Va., July 16 -- United States Patent no. 12,358,113, issued on July 15, was assigned to Caterpillar Inc. (Peoria, Ill.).
"Hydraulic hammer internal damping" was invented by Cody T. Moore (Robinson, Texas) and John K. Clemons (Wamego, Kan.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hydraulic hammer includes: a cylinder having a first cylinder end and a second cylinder end opposite the first cylinder end; a piston disposed within the cylinder, the piston having a first piston end, the piston being reciprocatingly movable with respect to the cylinder along an axial direction; a valve body disposed on the first cylinder end so as to define a valve body cavity; and a seal carrier sealingly arran...