• All sections
• F - Mechanical engineeringlightingheatingweaponsblasting
• F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
• F16L 37/35 - Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings at least one of two lift valves being opened automatically when the coupling is applied at least one of the valves having an axial bore communicating with lateral apertures

Patent holdings for IPC class F16L 37/35

Total number of patents in this class: 173

10-year publication summary

Principal owners for this class