• All sections
• B - Performing operationstransporting
• B21C - Manufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rollingauxiliary operations used in connection with metal-working without essentially removing material
• B21C 1/20 - Metal drawing by machines or apparatus in which the drawing action is effected by means other than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, rods or tubes from stock of essentially unlimited length

Patent holdings for IPC class B21C 1/20

Total number of patents in this class: 4

10-year publication summary

Principal owners for this class