Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
Load children
B21
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
Load children
B21D
WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
Load children
7/00
Bending rods, profiles, or tubes
Load children Filter patents View analytics View as hierarchy
B21D7/08
by passing between rollers or through a curved die
Load children Filter patents View analytics View as hierarchy
B21D7/085
by passing through a curved die
Filter patents View analytics View as hierarchy