• All sections
• F - Mechanical engineering; lighting; heating; weapons; blasting
• F16H - Gearing
• F16H 9/12 - Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members

Patent holdings for IPC class F16H 9/12

Total number of patents in this class: 225

10-year publication summary

Principal owners for this class