US Patent Issued to Doosan Bobcat North America on May 27 for "Self-leveling lift arm assembly for power machines" (North Dakota Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,764, issued on May 27, was assigned to Doosan Bobcat North America Inc. (West Fargo, N.D.).

"Self-leveling lift arm assembly for power machines" was invented by Daniel J. Krieger (Bismarck, N.D.) and David Glasser (Bismarck, N.D.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lift arm assembly for a power machine can include a lift arm, an implement carrier, a lift cylinder that raises or lowers the lift arm, a leveling link, a tilt cylinder that causes the implement carrier to pivot relative to the lift arm, and an isolated hydraulic circuit. The isolated hydraulic circuit can include a follower cylinder that is mechanically synchronized with the...