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Patents > IPCs : IPC B64B1/00 or IPC B64B1/40 or IPC B64C39/00 & First filing: No

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Tech fields:
LTA (176) · airplane (96) · design (84) · frame (81) · propulsion (66) · Construction (64) · stability (51) · propellers (45) · navigation (42) · balloon (40) · aerodynamics (31) · wings (27) · dirigible (27) · Lift (27) · airship (27) · rudder (25) · None (25) · Safety (24) · balloons (24) · hybrid (24)
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None (190)
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Patent agent:
None (133) · Armengaud jeune (21) · J. Bonnet-Thirion (11) · None (10) · E. Blétry (9) · Chassevent (8) · Brandon freres (7) · Lavoix et Mosès (6) · Marks & Clerk (6) · G. de Mestral et F. Harlé (6) · Ad. Sturm (5) · Hippolyte Josse (5) · Charles Assi (5) · Weismann et Marx (5) · Dupont et Elluin (5)
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CPCs:
CPC B64B1/00 (176) · CPC B64C39/00 (125) · CPC B64C2700/6295 (102) · CPC B64B1/40 (35) · CPC B64C39/005 (19) · CPC B64C39/003 (10) · CPC B64C39/008 (7) · CPC B64B1/005 (7) · CPC B64C39/08 (6) · CPC B64C39/006 (5) · CPC B64F2700/6219 (3) · CPC B64C39/068 (2) · CPC B64C3/54 (2) · CPC B64C2700/6246 (2) · CPC B64B1/58 (2) · CPC B64B1/40 (EP) (2)
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