ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,875, issued on July 29, was assigned to DEERE & COMPANY (Moline, Ill.).
"Mobile grading machine with improved grading control system" was invented by Carl J. Koenig (Dubuque, Iowa).
According to the abstract* released by the U.S. Patent & Trademark Office: "A mobile work machine includes a first grade control system that receives a an external reference position signal from a geographic positioning system, and generates blade control signals to control an orientation of a blade in grading a worksite. The mobile work machine also includes a second grade control system that uses blade mainfall and cross slope as well as chassis (or mainframe) mainfall and cross slope to control the...