U.S. federal trademark · Serial No. 73257543 · Reg. No. 1172000
Steel Cylinders Used as Liners for Oil Well Mud Pumps and Cement Pumps, Centrifugal Pumps for Pumping Oil Well Fluids, and Reciprocating Valves and Pistons for Mud Pumps
Replacement Rubber Sealing Elements for Stem Valves and Replacement Rubber Piston Elements for Reciprocating Pistons
Valve Lifting Tools for Removing Valves from the Fluid End of Reciprocating Pumps
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.