Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
Load children
B31
MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
Load children
B31F
MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
Load children
1/00
Mechanical deformation without removing material, e.g. in combination with laminating
Load children Filter patents View analytics View as hierarchy
B31F1/20
Corrugating; Corrugating combined with laminating to other layers
Load children Filter patents View analytics View as hierarchy
B31F1/32
Corrugating already corrugated webs
Filter patents View analytics View as hierarchy