ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,358, issued on May 20, was assigned to Sonny's HFI Holdings LLC (Wilmington, Del.).
"Pneumatic excavator and methods of use" was invented by Timothy Meschke (Carver, Minn.), Ian Taylor (Inver Grove Heights, Minn.) and Nathan Schlueter (Bloomington, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pneumatic excavator configured to be pneumatically actuated includes an actuator; a flow valve fluidly coupled to the actuator an air actuation conduit; and a barrel coupled to an egress of the flow valve, where the barrel defines an outlet of the pneumatic excavator. Actuating the actuator causes compressed air to be transmitted from the actuator thr...