• All sections
• F - Mechanical engineeringlightingheatingweaponsblasting
• F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
• F16K 11/16 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement 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: 256

10-year publication summary

Principal owners for this class