• All sections
• F - Mechanical engineering; lighting; heating; weapons; blasting
• F16K - Valves; taps; cocks; actuating-floats; devices for venting or aerating
• F16K 3/08 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages with circular closure plates rotatable around their centres

Patent holdings for IPC class F16K 3/08

Total number of patents in this class: 323

10-year publication summary

Principal owners for this class