• All sections
• F - Mechanical engineeringlightingheatingweaponsblasting
• F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
• F16L 55/132 - Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose the closure device being a plug fixed by radially deforming the packing

Patent holdings for IPC class F16L 55/132

Total number of patents in this class: 111

10-year publication summary

Principal owners for this class