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Patents > IPCs: None & CPCs : CPC B64C2700/6295 or CPC B64C33/02

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Tech fields:
None (452) · frame (56) · airplane (44) · stability (35) · flapping (26) · rudder (25) · propeller (24) · wheels (22) · propulsion (22) · navigation (22) · ornithopter (20) · airfoil (17) · wings (15) · takeoff (10) · car (7) · aerodynamics (7) · marine (6) · landing (6) · hybrid (6)
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None (491) · Victor J. Evans (6) · Munn & Co. (5) · Marks & Clerk (3) · C. A. Snow & Co. (2) · 0 (2) · Joshua R. H. Potts (2) · G. Petiau (2) · Herbert W. T. Jenner (2) · Charles Dony (2) · Poole & Brown (2) · C. A. Knowles (2)
National tech categories:
None (366) · USPC 244/22 (40) · USPC 244/45R (30) · USPC 244/13 (18) · FR 6.4 (16) · USPC 244/72 (10) · USPC 244/87 (7) · USPC 244/91 (6) · USPC 244/90R (6) · DE 77 (5) · USPC 244/48 (4) · USPC 244/119 (4) · USPC 244/35R (4)
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