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Patents > National tech categories : FR 6.4 or NL 62.6 & Number of figures: None

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Tech fields:
LTA (143) · Airplane (74) · propulsion (37) · navigation (36) · design (33) · None (30) · frame (29) · Construction (29) · Stability (27) · Propellers (20) · wings (19) · subsystem (18) · lift (18) · Aerodynamics (15) · safety (13) · hybrid (13) · control (12) · dirigible (11) · sustentation (11) · propeller (10)
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Supplementary to patent:
None (273) · Patent FR-1836-5429 (3) · Patent FR-1910-427818 (2) · Patent FR-1908-403132 (2) · Patent FR-1907-392394 (2) · Patent FR-1905-361723 (2) · Patent FR-1850-10514 (2) · Patent FR-1908-405961 (2)
Related to aircraft:
Patent agent:
None (238) · Armengaud jeune (14) · J. Germain (6) · Dupont et Elluin (6) · Brandon frères (5) · J. Bonnet-Thirion (5) · Société anonyme Astra Ab [FR] (4) · P. Follin (4) · Boramé et Julien (4) · de Bongé (4) · Chassevent (3) · Société Brandon et fils (3) · None (3) · Lavoix et Mosès (3) · L. Chassevent (3) · E. Blétry (3) · Weismann et Marx (3)
National tech categories: (Click arrow to add another value)
IPCs:
None (68) · IPC B64B1/00 (67) · IPC B64B1/58 (54) · IPC B64C39/00 (19) · IPC B64C17/00 (16) · IPC B64C1/00 (13) · IPC B64B1/62 (10) · IPC B64B1/40 (8) · IPC B64C35/00 (7) · IPC B64C33/02 (7) · IPC B64C23/00 (7) · IPC B64C3/00 (6) · IPC B64C11/00 (6) · IPC B64C27/04 (6) · IPC B64C33/00 (5) · IPC B64C3/38 (5) · IPC B64D1/04 (5) · IPC B64B1/66 (4) · IPC B64C3/18 (4)
CPCs:
CPC B64B1/00 (65) · CPC B64B1/58 (55) · None (38) · CPC B64C17/00 (22) · CPC B64C39/00 (14) · CPC B64C33/02 (11) · CPC B64B1/62 (10) · CPC B64C2700/6295 (9) · CPC B64B1/40 (8) · CPC B64C23/005 (7) · CPC B64C3/00 (7) · CPC B64C3/385 (7) · CPC B64C2700/6274 (6) · CPC B64C11/006 (6) · CPC B64C2700/6218 (6)
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