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Patents > Office : FR or GB & IPCs : IPC B64C3/00 or IPC B64C39/00 & First filing: Yes

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Office: (Click arrow to add another value)
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Tech fields:
Airplane (119) · None (86) · design (66) · wings (62) · construction (46) · frame (42) · propulsion (33) · stability (31) · aerodynamics (28) · propellers (23) · control (21) · lift (20) · fuselage (19) · whole (17) · sustentation (16) · Chassis (13) · monoplane (12) · navigation (11) · subsystem (11) · biplane (11)
Full specification filed date:
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Related to aircraft:
Patent agent:
None (42) · None (30) · Armengaud jeune (18) · Marks & Clerk (17) · J. Germain (8) · Weismann et Marx (8) · Haseltine, Lake & Co. (8) · Lavoix et Mosès (8) · Dupont et Elluin (7) · L. Chassevent (7) · Brewer & Son (6) · J. Bonnet-Thirion (6) · Brandon frères (5) · Boramé et Julien (5) · Boult, Wade & Tennant (5)
National tech categories:
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (156) · CPC B64C2700/6295 (133) · CPC B64C3/00 (110) · CPC B64C2700/6235 (55) · CPC B64C2700/6233 (37) · CPC B64C39/005 (25) · CPC B64C39/08 (22) · CPC B64C39/008 (16) · CPC B64C39/006 (5) · CPC B64C39/003 (4) · CPC B64C39/062 (3) · CPC B64C3/385 (2) · CPC B64C23/08 (2) · CPC B64C25/36 (2) · CPC B64C2700/6297 (2) · CPC B64C3/18 (2)
First filing: (Click arrow to add another value)
Citations from after 1930:
Number of diagram pages:

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