Robot welder
Robot-laser system
Robotic automatic welding apparatus
Robotic gmaw torch with quick release gooseneck locking...
Robotic welding head cleaning apparatus
Robotic welding torch having a wire break
Robotically operated laser head
Rock bit assembly method
Rod for applying hard surfacing to a surface and method of...
Rod holder
Rod welding apparatus and method of making threaded drill rods
Rods for flame spraying
Rods resistant to hydrosulfuric acid
Roller head for a resistance seam-welding machine
Room temperature bonding apparatus
Room temperature bonding machine and room temperature...
Room-temperature bonding method and room-temperature bonding...
Rotary arc-welding apparatus
Rotary bit for hydraulically drilling holes into underground...
Rotary disk spark cutting means