ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,875, issued on March 17, was assigned to APS Tech LLC (Wallingford, Conn.).
"Rotary pulser with regenerative control" was invented by Daniel E. Burgess (Portland, Conn.) and Jason R. Barbely (East Islip, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A drill string device configured to operate at a down hole location in a well bore toward a location proximate the surface of an earthen formation includes one or more motors and/or a capacitor bank. The drill string device may be in fluidic communication with a drilling fluid. A first motor of the one or more motors may be operated as part of processing the drilling fluid. A first electrical ener...