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Patents > National tech categories : FR 6.4 or USPC 244/6 & Number of claims: 4-20000000

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Inventor location:
None (529) · Seine (18) · Nord (11) · Seine-et-Oise (6) · Eure-et-Loir (4) · Calvados (4) · Paris (4) · Morbihan (3) · Meudon (3) · Bouches-du-Rhône (2) · Loire (2) · Hérault (2) · Montpellier (2) · Nièvre (2) · Aude (2) · Cambrai (2) · Lorient (2)
Applicant is inventor:
Tech fields:
airplane (287) · Design (132) · stability (123) · frame (98) · wings (93) · construction (81) · Propulsion (61) · LTA (60) · None (60) · aerodynamics (58) · Control (57) · propellers (56) · automatic stability (52) · lift (50) · hybrid (43) · Sustentation (40) · Landing (39) · rudder (38) · navigation (34)
Full specification filed date:
Application number:
Granted:
Supplementary to patent:
None (379) · Patent FR-1909-410140 (2) · Patent FR-1912-446040 (2) · Patent GB-1912-7553 (2) · Patent GB-1912-26911 (2) · Patent FR-1913-465942 (2) · Patent FR-1911-448337 (2) · Patent IT-1910-10-17 Carlo Navaro (2) · Patent FR-1909-408644 (2) · Patent FR-1908-407090 (2) · Patent IT-1913-03-20 Vigilio Baldo (2) · Patent FR-1910-430552 (2) · Patent FR-1909-403418 (2) · Patent AT-1909-12-31 Vigilio Baldo (2) · Patent FR-1911-431862 (2) · Patent DE-1911-11-16 Otto Albin Budig (2) · Patent FR-1911-429078 (2) · Patent FR-1911-431131 (2)
Related to aircraft:
Patent agent:
Armengaud jeune (81) · None (47) · E. Blétry (40) · None (36) · Dupont et Elluin (22) · L. Chassevent (22) · Charles Dony (17) · Schwab (15) · Borame et Julien (15) · Lavoix et Mosès (14) · H. Bœttcher fils (13) · Hippolyte Josse (13) · J. Bonnet-Thirion (13) · Ch. Mardelet (10) · C. Blétry (9) · C. Baumann (8) · J. Bonnet-Thirion et Breton (8) · J. Germain (8) · Brandon frères (7)
National tech categories: (Click arrow to add another value)
IPCs:
IPC B64C39/00 (82) · IPC B64C17/00 (77) · IPC B64C1/00 (73) · None (41) · IPC B64B1/00 (38) · IPC B64C23/00 (30) · IPC B64C3/38 (26) · IPC B64C33/02 (24) · IPC B64C3/00 (20) · IPC B64B1/58 (17) · IPC B64C35/00 (14) · IPC B64C11/00 (14) · IPC B64C27/04 (12) · IPC B64C17/06 (11) · IPC B64C13/00 (11) · IPC B64C33/00 (11) · IPC B64C3/52 (9) · IPC B64C25/00 (8) · IPC B64D1/04 (8)
CPCs:
CPC B64C17/00 (81) · CPC B64C39/00 (63) · CPC B64C23/005 (50) · CPC B64C2700/6295 (38) · CPC B64B1/00 (36) · CPC B64C2700/6218 (27) · CPC B64C33/02 (26) · CPC B64C3/385 (23) · CPC B64C3/00 (20) · CPC B64C2700/6274 (19) · CPC B64C1/00 (18) · CPC B64B1/58 (17) · CPC B64C2700/6212 (16) · CPC B64C2700/6214 (15) · CPC B64C17/06 (14) · CPC B64C2700/6233 (14) · CPC B64C13/00 (14) · CPC B64C35/00 (12) · CPC B64C33/00 (12) · CPC B64C2700/6256 (11)
First filing:
Citations from after 1930:
Number of text pages:
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