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Patents > IPCs : IPC B63B1/24 or IPC B64C33/00 or IPC B64C33/02

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None (255) · Seine (11) · Paris (4) · Hérault (3) · Seine-et-Oise (3) · Rhône (3) · Morbihan (3) · Lorient (3) · Pisa (2) · Montpellier (2) · Loire (2) · London (2) · Yorkshire (2) · Brooklyn (2)
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Tech fields:
flapping (100) · ornithopter (71) · propulsion (57) · None (49) · wings (49) · frame (33) · airplane (31) · design (30) · navigation (28) · hybrid (24) · stability (21) · LTA (17) · HTA (16) · control (15) · lift (13) · human-powered (12) · propellers (11) · rudder (11)
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Supplementary to patent:
None (214) · Patent FR-1912-446040 (5) · Patent AT-1912-75092 (4) · Patent BE-1910-12-28-Muehter (3) · Patent US-1910-1161664 (2) · Patent US-1909-940701 (2) · Patent GB-1913-4191 (2) · Patent FR-1911-429078 (2) · Patent FR-1909-420004 (2) · Patent DE-1910-09-03 Richard Blum (2) · Patent US-1912-1031461 (2) · Patent AU-1909-1372009 (2)
Related to aircraft:
Patent agent:
None (91) · None (20) · E. Blétry (8) · Armengaud jeune (7) · J. Germain (5) · Schwab (4) · Ad. Sturm (4) · C. Blétry (4) · Weismann et Marx (4) · Chassevent (4) · Hippolyte Josse (4) · W. P. Thompson & Co. (3) · P. Follin (3) · Brandon frères (3) · Lavoix et Mosès (3) · Rigot et Prévost (3) · A. de Carsalade (3) · Marks & Clerk (3) · Munn & Co. (3)
IPCs: (Click arrow to add another value)
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