• All sections
• F - Mechanical engineering; lighting; heating; weapons; blasting
• F16C - Shafts; flexible shafts; mechanical means for transmitting movement in a flexible sheathing; elements of crankshaft mechanisms; pivots; pivotal connections; rotary engineering elements other than gearing, coupling, clutch or brake elements; bearings
• F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members

Patent holdings for IPC class F16C 33/78

Total number of patents in this class: 1539

10-year publication summary

Principal owners for this class