FORUM US, INC. v. HOWE-BAKER INTERNATIONAL LTD et al, txsdc:4:2018cv03010

BALL VALVES;

packers; namely, well apparatus to seal off space between a well string and a well bore for subterranean wells, such as gas or oil wells;

hydraulic or pneumatic drill pipe make-up and breakout tools in the oil and gas drilling industry;

machine parts, namely rolling element anti-friction bearings for use in oil field equipment, heavy industrial equipment, and electric motors;

instrumentation for oilfield applications, namely, hydraulic pressure gauges [, mechanical-hydraulic governors, and pneumatic controllers ];