Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
Load children
B21
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
Load children
B21J
FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
Load children
5/00
Methods for forging, hammering, or pressing; Special equipment or accessories therefor
Load children Filter patents View analytics View as hierarchy
B21J5/02
Die forging; Trimming by making use of special dies; ; Punching during forging
Load children Filter patents View analytics View as hierarchy