• All sections
• B - Performing operationstransporting
• B31B - Making containers of paper, cardboard or material worked in a manner analogous to paper
• B31B 31/26 - Machinery characterised by making envelopes or bags with structural provision at the base for thickness of contents, from sheets or blanks, e.g. from flattened tubes and having means for folding sheets or blanks

Patent holdings for IPC class B31B 31/26

Total number of patents in this class: 4

10-year publication summary

Principal owners for this class