ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,960, issued on March 25, was assigned to SPM Oil & Gas Inc. (Fort Worth, Texas).
"Keyless gear timing assembly for a reciprocating pump" was invented by Chandu Kumar (Fort Worth, Texas), Jeffrey Haiderer (Fort Worth, Texas) and Connor Landrum (Burleson, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A keyless timing gear assembly for securing a bull gear to a crankshaft of a power end of a reciprocating pump assembly, the keyless timing gear assembly including at least one actuator, an expansion member and at least one wedge member disposed between the at least one actuator and the expansion member, the wedge member having a sloped surface to...