Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
Load children
B23
MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
Load children
B23H
WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
Load children
9/00
Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
Load children Filter patents View analytics View as hierarchy
B23H9/06
Marking or engraving
Filter patents View analytics View as hierarchy