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Patents > National tech categories : AT 77d or FR 6.3

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Office:
Applicant is inventor:
Tech fields:
LTA (207) · propulsion (156) · navigation (154) · airplane (148) · Frame (86) · balloon (75) · construction (70) · stability (60) · Design (56) · airship (55) · dirigible (53) · propellers (53) · wings (53) · aerostat (52) · subsystem (38) · propeller (36) · balloons (35) · safety (33) · control (32)
Full specification filed date:
Application number:
None (645)
Granted:
Supplementary to patent:
None (577) · Patent FR-1881-142748 (3) · Patent FR-1907-377174 (3) · Patent FR-1909-420004 (3) · Patent FR-1878-124576 (3)
Related to aircraft:
Patent agent:
None (456) · Armengaud jeune (26) · Chassevent (25) · Blétry aîné (17) · Desnos (15) · Société Marillier et Robelet (14) · Armengaud aîné (12) · Dieuaide (9) · None (9) · Hippolyte Josse (8) · Dumas (8) · Société Louis Gudman et Cie (7) · C. Blétry (6) · Émile Barrault (6) · Société Matray frères (6) · Casalonga (6) · Josse (5) · Société Thirion et Bonnet (5) · Thirion (5) · Weismann et Marx (5)
National tech categories: (Click arrow to add another value)
IPCs:
None (621) · IPC B64B1/00 (56) · IPC B64C39/00 (12) · IPC B64C33/02 (8) · IPC B64C11/00 (8) · IPC B64C27/04 (8) · IPC B64B1/40 (7) · IPC B64B1/58 (7) · IPC B64C3/00 (3) · IPC B64C17/00 (3) · IPC B64C23/00 (3) · IPC B64C31/04 (2) · IPC B64C33/00 (2) · IPC B64C1/00 (2) · IPC B64C13/02 (2) · IPC B64C13/04 (2)
CPCs:
None (648) · CPC B64B1/00 (56) · CPC B64C2700/6281 (7) · CPC B64C33/02 (7) · CPC B64B1/40 (7) · CPC B64B1/58 (7) · CPC B64C39/005 (6) · CPC B64C39/00 (5) · CPC B64C11/001 (4) · CPC B64C27/12 (4) · CPC B64C27/04 (3) · CPC B64C23/005 (3) · CPC B64C17/00 (3) · CPC B64C11/006 (3) · CPC B64C2700/6295 (3) · CPC B64C13/04 (2) · CPC B64C13/02 (2) · CPC B64C31/04 (2) · CPC B64C33/00 (2)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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