US Patent Issued to Caterpillar on March 17 for "Hydraulic actuator for controlling operations of drilling machines" (Indian, American Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,834, issued on March 17, was assigned to Caterpillar Inc. (Peoria, Ill.).

"Hydraulic actuator for controlling operations of drilling machines" was invented by Rameshkrishnan Lakshmi Narayanan (Chennai, India), Vignesh S. (Chennai, India), Anand Jason Vedaraj (Chennai, India) and Kurt Steven Goslovich (Naperville, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hydraulic actuator, for controlling an operation of a drilling machine, includes a rod assembly and a tube assembly. The tube assembly defines a bore to receive the rod assembly therethrough and is moveable with respect to the rod assembly upon an influx and an efflux of a pressurized f...