• All sections
• F - Mechanical engineering; lighting; heating; weapons; blasting
• F16L - Pipes; joints or fittings for pipes; supports for pipes, cables or protective tubing; means for thermal insulation in general
• F16L 37/32 - 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

Patent holdings for IPC class F16L 37/32

Total number of patents in this class: 248

10-year publication summary

Principal owners for this class