ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,363, issued on Nov. 25, was assigned to THRU TUBING SOLUTIONS INC. (Newcastle, Okla.).

"Rotational speed reduction in downhole tool assemblies" was invented by Roger L. Schultz (Newcastle, Okla.), Brock W. Watson (Sadler, Texas) and Brett Fears (Mustang, Okla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotary actuator assembly can include a fluid motor with a rotor that displaces with hypocyclic precessional motion within a stator in response to fluid flow through the fluid motor, and a gear reducer section including an input gear that is fixed relative to the rotor and displaces with the hypocyclic precessional motion relative to an output ge...