• All sections
• F - Mechanical engineering; lighting; heating; weapons; blasting
• F16K - Valves; taps; cocks; actuating-floats; devices for venting or aerating
• F16K 11/16 - Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves; Arrangement of valves and flow lines specially adapted for mixing fluid with two or more closure members not moving as a unit operated by one actuating member, e.g. a handle which only slides, or only turns, or only swings in one plane

Patent holdings for IPC class F16K 11/16

Total number of patents in this class: 229

10-year publication summary

Principal owners for this class