• All sections
• B - Performing operations; transporting
• B65D - Containers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers; accessories, closures, or fittings therefor; packaging elements; packages
• B65D 88/30 - Hoppers, i.e. containers having funnel-shaped discharge sections specially adapted to facilitate transportation from one utilisation site to another

Patent holdings for IPC class B65D 88/30

Total number of patents in this class: 171

10-year publication summary

Principal owners for this class