Catalytic converters for motors and engines; catalytic converters for use in reducing emissions from land vehicles; catalytic converters for use in reducing emissions from watercraft; catalytic converters for use in reducing emissions from aircraft; catalytic converters for use in reducing emissions from stationary electrical generating plants; catalytic converters for use in reducing emissions from stationary mechanical power plants

Chemical additives for catalytic cracking in the petroleum industry

Medical tubes and apparatus to remove obstructing material from medical tubes

UNDERGROUND UTILITY EQUIPMENT, NAMELY A HAND-HELD ELECTRONIC MONITOR USED TO DETERMINE THE POSITION OF A BURIED TOOL OR CABLE