• All sections
• F - Mechanical engineering; lighting; heating; weapons; blasting
• F16B - Devices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges; joints or jointing
• F16B 13/04 - Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front

Patent holdings for IPC class F16B 13/04

Total number of patents in this class: 269

10-year publication summary

Principal owners for this class