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Patents > Related to aircraft: Yes & National tech categories : DE 77h.5 or USPC 244/904

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Tech fields:
airplane (35) · construction (24) · frame (23) · design (17) · wings (12) · biplane (11) · fuselage (8) · Navigation (7) · stability (6) · None (6) · Tragfläche (5) · Control (5) · subsystem (4) · airfoil (4) · aerodynamics (4) · propeller (4) · rudder (3) · motors (3) · wing warping (3) · automatic stability (3)
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CPCs:
CPC B64C3/00 (16) · CPC B64C2700/6235 (13) · None (6) · CPC B64C3/52 (4) · CPC B64C3/385 (4) · CPC B64C13/00 (4) · CPC B64C3/18 (3) · CPC B64C2700/6249 (2) · CPC B64C9/02 (2) · CPC B64C9/00 (2) · CPC B64C17/00 (2) · CPC B64C2700/6256 (2) · CPC B64C3/44 (2) · CPC Y10S244/904 (2) · CPC B64C11/00 (2)
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Citations from after 1930:
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Showing below up to 63 results in range #1 to #63.

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