US Patent Issued to The Charles Machine Works on June 23 for "Virtual brake system" (Oklahoma Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,878, issued on June 23, was assigned to The Charles Machine Works Inc. (Perry, Okla.).

"Virtual brake system" was invented by Joseph G. Greenlee (Perry, Okla.), Aleksander S. Wolfe (Stillwater, Okla.), Jarred R. Callaway (Stillwater, Okla.) and Max A. Metcalf (Stillwater, Okla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A brake system for maintaining an angular position of a spindle assembly. A pump-powered motor drives rotation of a spindle on the machine. When no rotation is desired, the spindle will slow, then stop at a desired angular orientation. A rotational sensor will determine the clock position, and a controller compares that to a desi...