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Patents > IPCs : IPC B64C27/04 or IPC B64C39/00 & Number of claims: 2-4

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Office:
Inventors:
None (5) · Désiré Sival (3) · Jean-Baptiste-Eugène Gangler (3)
Inventor country:
Applicant person:
None (6) · Jean-Baptiste-Eugène Gangler (3) · Désiré Sival (3)
Applicant is inventor:
Tech fields:
Airplane (78) · Design (47) · None (36) · propulsion (34) · wings (31) · propellers (29) · construction (28) · Frame (24) · stability (24) · helicopter (23) · lift (21) · sustentation (20) · aerodynamics (20) · control (17) · ascension (12) · whole (12) · HTA (12) · chassis (10) · hybrid (9)
Full specification filed date:
Application number:
None (16)
Granted:
Supplementary to patent:
None (138) · Patent FR-1916-502839 (2) · Patent FR-1915-502520 (2) · Patent FR-1909-403418 (2)
Related to aircraft:
Patent agent:
None (34) · Armengaud jeune (16) · None (11) · Marks & Clerk (10) · Brandon frères (9) · J. Bonnet-Thirion (7) · Herbert Haddan & Co. (5) · J. Germain (5) · Boult, Wade & Tennant (5) · J. S. Withers & Spooner (4) · Munn & Co. (4) · Société A. Frey et de Carsalade (4) · Haseltine, Lake & Co. (4) · G. Petiau (4) · L. Chassevent (3) · Charles Dony (3)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (103) · CPC B64C2700/6295 (94) · CPC B64C2700/6281 (35) · CPC B64C27/04 (27) · CPC B64C39/005 (20) · CPC B64C39/08 (15) · CPC B64C39/008 (10) · CPC B64C39/003 (8) · CPC B64C27/20 (5) · CPC B64C27/12 (5) · CPC B64C27/52 (4) · CPC B64C39/062 (3)
First filing:
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:

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