ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,910, issued on Sept. 30, was assigned to TURBO DRILL INDUSTRIES INC. (Conroe, Texas).

"Gear reducer" was invented by Chad Feddema (Conroe, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatus and methods relate to a gear reducer, which may be used downhole to reduce rotational speed output from a downhole motor, such as a turbine motor, to a slower speed desired for rotation of a drill bit. The gear reducer includes a planetary gear arrangement coupled to receive rotational input from the downhole motor and a cycloidal gear arrangement driven by rotation resulting from the planetary gear arrangement. An output shaft couples to the cycloid...