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Patents > IPCs : IPC B64C35/00 or IPC B64C39/00 or IPC F16F9/34

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Tech fields:
Airplane (251) · design (167) · None (120) · frame (106) · propulsion (85) · construction (79) · Wings (78) · propellers (70) · stability (67) · hydroaeroplane (61) · aerodynamics (54) · hydroplane (48) · Control (44) · lift (41) · fuselage (40) · landing (38) · whole (37) · chassis (35) · hybrid (34) · sustentation (34)
Full specification filed date:
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Supplementary to patent:
None (448) · Patent GB-1911-29012 (8) · Patent FR-1916-502839 (4) · Patent FR-1910-426487 (3) · Patent BE-1912-02-27 Caudron (3) · Patent US-1916-1208684 (3) · Patent GB-1912-29012.15939 (3) · Patent FR-1912-446818 (3) · Patent FR-1916-493411 (3) · Patent FR-1912-452017 (3) · Patent US-1910-996592 (3) · Patent FR-1912-455471 (3)
Related to aircraft:
Patent agent:
None (138) · None (34) · Armengaud jeune (31) · Marks & Clerk (20) · Boult, Wade & Tennant (18) · J. Bonnet-Thirion (15) · Brandon frères (12) · Weismann et Marx (12) · Dupont et Elluin (11) · E. Blétry (10) · J. Germain (10) · Brewer & Son (9) · Boramé et Julien (9) · L. Chassevent (9) · Y. Rabilloud et fils (8) · Dom. Casalonga (8) · Ch. Mardelet (8) · Charles Dony (7) · Charles Assi (7) · Lavoix et Mosès (7)
National tech categories:
FR 6.4 (364) · None (211) · DE 77h.9 (16) · USPC 244/45R (14) · FR 6.3 (12) · DE 77h.5 (11) · USPC 244/13 (10) · USPC 244/70 (6) · DE 77h.11 (6) · USPC 244/27 (4) · FR 6.2 (4) · USPC 244/9 (3) · USPC 244/119 (3) · USPC 244/19 (3) · DE 77 (3) · USPC 244/20 (3) · USPC 244/101 (3) · USPC 244/87 (3)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (303) · CPC B64C2700/6295 (265) · CPC B64C35/00 (152) · CPC B64C39/005 (65) · CPC B64C39/08 (48) · CPC B64F2700/6261 (33) · CPC B64C39/008 (29) · CPC B64C39/003 (19) · CPC B64F2700/6296 (17) · CPC B64F2700/628 (14) · CPC B64C35/008 (13) · CPC B64C39/006 (12) · CPC B64F2700/6265 (9) · CPC B64F2700/6276 (8) · CPC B64F2700/6292 (7) · CPC B64C35/001 (6) · CPC B64F2700/6284 (5) · IPC B64C35/00 (5)
First filing:
Citations from after 1930:
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