Connecting device and window or door comprising a connecting device

Concealed hinge for a turn-tilt window and such a window equipped therewith

Concealed hinge for a turn-tilt window and tilt-turn window and window equipped therewith

Diagonal draw bar structure having micro ventilation function

Hinge for doors or windows

Metalwork of a window and elements thereof

Hinge/tilt window driven by an electric motor and comprising a feed chain

Security window or door in a burglar-retardant embodiment

Upper articulation assembly for windows and doors with wing and swivel wing opening

Explosion-resisting window