• All sections
• D - Textilespaper
• D01H - Spinning or twisting
• D01H 4/06 - Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from sliversPiecing arrangements thereforCovering endless core threads with fibres by open-end spinning techniques imparting twist by contact of fibres with a running surface co-operating with suction means

Patent holdings for IPC class D01H 4/06

Total number of patents in this class: 1

10-year publication summary

Principal owners for this class