Drilldown: Patents

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Patents > IPCs : IPC B64B1/00 or IPC B64B1/58 or IPC B64C25/00 or IPC B64C39/00 & CPCs : CPC B64B1/00 or CPC B64C39/00 & First filing: Yes

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Tech fields:
LTA (197) · airplane (80) · frame (63) · propulsion (63) · design (61) · navigation (46) · None (43) · balloon (41) · stability (37) · airship (34) · wings (31) · construction (30) · dirigible (24) · hybrid (24) · Aerodynamics (22) · propellers (21) · whole (20) · safety (19) · car (19) · control (18)
Full specification filed date:
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Supplementary to patent:
None (345) · Patent FR-1913-472867 (3) · Patent US-1913-1087946 (2) · Patent BE-1912-07-11 Maiche et Legras (2) · Patent FR-1914-472867.19895 (2)
Related to aircraft:
Patent agent:
None (116) · None (24) · Armengaud jeune (14) · Borame et Julien (12) · Haseltine, Lake & Co. (10) · Marks & Clerk (8) · Chassevent (7) · Munn & Co. (6) · C. Blétry (5) · L. Chassevent (5) · Brandon frères (5) · Hippolyte Josse (5) · Lavoix et Mosès (5) · E. Blétry (4) · Boult, Wade & Tennant (4) · J. Bonnet-Thirion (4) · Weismann et Marx (4)
National tech categories:
FR 6.4 (176) · None (96) · USPC 244/30 (31) · FR 6.3 (21) · USPC 244/26 (16) · USPC 244/25 (13) · DE 77h.2 (7) · USPC 244/67 (7) · USPC 244/125 (6) · USPC 244/29 (6) · USPC 24/713.8 (5) · USPC 244/99 (3) · DE 77 (3) · USPC 244/97 (3)
IPCs: (Click arrow to add another value)
CPCs: (Click arrow to add another value)
First filing: (Click arrow to add another value)
Citations from after 1930:
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