Arrangements of wings characterised by the manner of movement

Official title: Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing {(fittings or supporting means, separable from the frame, for guiding or controlling the movement of wings, arrangements of wings characterised by particular forms of such means E05D)}

E06B3/32 (Arrangements of wings characterised by the manner of movement) appears on 2,544 US grants and 2,263 published applications in this corpus.