Toolholders for metalworking machines (machine parts); Power tool parts, namely, collets; Air filters for mechanical purposes; Power-operated coffee grinders; Reciprocating compressors; Axial flow blowers; Electric soldering apparatus; Screwdrivers, pneumatic; Coffee grinders, other than hand-operated; Welding torches; Power-driven cleaning device for industrial air pollution control equipment, namely, a device that produces high intensity impulse waves that loosen collected or impacted dust ...