• All sections
• E - Fixed constructions
• E05C - Bolts or fastening devices for wings, specially for doors or windows
• E05C 17/30 - Devices for holding wings openDevices for limiting opening of wings or for holding wings open by a movable member extending between frame and wingBraking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing of extensible, e.g. telescopic, construction

Patent holdings for IPC class E05C 17/30

Total number of patents in this class: 70

10-year publication summary

Principal owners for this class