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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.
[ automatic barrel fillers, ball and socket attachments for loading and unloading fluid fuels, ] bottom loader assemblies, bushings, cage valve assemblies, combination check valve and strainer companion flanges, coupling assembles, [ drain back connections, drain flanges, ] drop tubes, [ drum unloaders, ] dust caps, elbows, elbow filler tubes, extractor fittings, fill boxes, fill caps, [ fill cap vents, ] fill deflectors, filling adaptors, flanges, fuel nozzles, hose elbows, hose nozzles, hose nozzles including flow control valves, hose spouts, intake floats, line strainers, loading and unloading attachments for use with fluid fuels and truck carriers thereof, manholes, nipples, nipple assemblies, nozzle strainers, nozzle tubes, pipe couplings, [ pipe line deflectors, ] plug seats, [ safety bungs, ] slide sleeve loading arms, [ slip spouts, ] suction line strainers, suction stub assemblies, swing joints, swivel elbow couplings, swivel hose connectors, tank car loading and unloading connections, tank vents, [ tube caps, ] tube strainers, tubing adapters, union couplings, [ union elbows, ] vacuum breakers, valves-namely, air control valves, air relief valves, air valves, angle check valves, angle valves, [ anti-freeze drain valves, ] by-pass valves, cage valves, check valves, compressor check valves, cross check valves, cross valves, [ disk valves, ] emergency valves, extractor valves and fittings therefor, flanged valves, foot valves, [ globe valves, ] inlet check valves, loading valves, outlet check valves, [ poppet valves for use in pipelines, ] pressure relief valves, quick opening valves, swing check valves, truck tank valves, [ vacuum valves, water locking valves ] and parts thereof, water valves [ , welding pads, and vent caps ]