7
Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs.
non-electric valve actuators, particularly linear actuators, linear pneumatic actuators, linear hydraulic actuators, quarter-turn actuators, electro hydraulic actuators, high pressure direct gas actuators, quarter-turn hydraulic actuators, quarter-turn gas-over-oil actuators, multi-turn actuators, and multi-turn gas motor actuators; power systems for valve actuators, particularly electro-hydraulic power systems comprising accumulator tank, hydraulic reservoir, servo-valve manifold, oil pump, and hydraulic filter, electro-pneumatic power systems comprising electric motor, air pump, direction control valves, and electrical controls, hydraulic intensifier actuator systems comprising hydraulic intensifier and valve actuator, hydraulic actuator power units, nitrogen power reserve units, hydraulic hand pumps; automatic station bypass systems comprising poppet valve and differential pilot valve; limit switches for use with non-electric valve actuators
9
Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
electric control systems for valve actuators comprising solenoid valve and limit switch; electro-hydraulic and electronic control and regulating equipment for valve actuators comprising electric motor, motor starter, hydraulic pump and reservoir, directional control valve, and electrical controls; remote control stations comprising solenoid valve and poppet valve; emergency valve actuator shutdown systems comprising positioner, limit switch, regulator, directional control valve, solenoid, and mechanical feedback linkage