• All sections
• B - Performing operationstransporting
• B61F - Rail vehicle suspensions, e.g. underframes, bogies or arrangements of wheel axlesrail vehicles for use on tracks of different widthpreventing derailing of rail vehicleswheel guards, obstruction removers or the like for rail vehicles
• B61F 15/18 - Axle-boxes with roller, needle, or ball bearings the axle being slidable or tiltable in the bearings and having springs opposing such movements

Patent holdings for IPC class B61F 15/18

Total number of patents in this class: 1

10-year publication summary

Principal owners for this class