• All sections
• B - Performing operationstransporting
• B65G - Transport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors
• B65G 65/30 - Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass

Patent holdings for IPC class B65G 65/30

Total number of patents in this class: 133

10-year publication summary

Principal owners for this class