3D printers and parts thereof, namely, components for heating and cooling filament, nozzles and application components; components for machines and machine tools, grinding machines, material handling machines, namely, attachment for a machine tool that holds the tool in position; tool heads for 3D tooling machines, namely, cutting tool heads, laser tool heads, 3D printheads, pen holder tool heads, machining tool heads, lamination tool heads, grinding tool heads, drilling tool heads; robotic assemblies for moving tool heads in accordance with digital 3D coordinates to drive 3D tooling machines; laser engraving machines; laser machines for cutting, marking, and engraving; laser welding machines; machines for plastics working; machines for processing plastics; 3D printers; Three-dimensional (3D) printers; 3D printers for use with computers or mobile devices
Machinery