Drilldown: Patents

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Patents > Office : FR or NL & Related to aircraft : 0.5 or 1 & Number of figures: None

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Office: (Click arrow to add another value)
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Tech fields:
None (831) · LTA (79) · Airplane (67) · propulsion (51) · navigation (39) · balloon (34) · subsystem (19) · dirigible (18) · stability (17) · design (17) · control (15) · instrument (15) · balloons (14) · construction (14) · frame (14) · propellers (13) · aerostat (12) · propeller (11) · parachute (10) · lift (10)
Full specification filed date:
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Supplementary to patent:
None (1083) · Patent FR-1878-124576 (3) · Patent FR-1861-51979 (3) · Patent FR-1836-5429 (2) · Patent FR-1873-97664 (2)
Related to aircraft: (Click arrow to add another value)
Patent agent:
None (1017) · Armengaud jeune (7) · Chassevent (5) · Blétry aîné (5) · Société Marillier et Robelet (4) · None (4) · Jules Mathieu (4) · Weismann et Marx (4) · Casalonga (3) · Dupont et Elluin (3) · E. Blétry (3) · Lavoix et Moses (3) · Société Matray frères (3) · J. Bonnet-Thirion (3) · Boramé et Julien (3)
IPCs:
None (1050) · IPC B64B1/00 (12) · IPC B64C17/00 (10) · IPC B64C39/00 (10) · IPC B64C1/00 (8) · IPC B64C23/00 (6) · IPC B64C11/00 (5) · IPC B64C27/04 (4) · IPC B64C35/00 (3) · IPC B64B1/58 (3) · IPC B64C33/02 (3) · IPC B64C3/00 (3) · IPC B64D35/04 (2) · IPC B64D27/04 (2) · IPC B64D17/00 (2) · IPC B64C33/00 (2) · IPC B64C3/26 (2) · IPC B64C13/00 (2) · IPC B64C11/04 (2)
First filing:
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Citations from after 1930:
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