• All sections
• F - Mechanical engineeringlightingheatingweaponsblasting
• F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
• F16L 19/12 - Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts with metal rings which bite into the wall of the pipe the profile of the ring being altered with additional sealing means

Patent holdings for IPC class F16L 19/12

Total number of patents in this class: 63

10-year publication summary

Principal owners for this class