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Patents > National tech categories : AT 77d or FR 6.3 or USPC 416/169R

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Office:
Applicant is inventor:
Tech fields:
LTA (208) · propulsion (152) · navigation (151) · airplane (145) · frame (87) · balloon (77) · construction (71) · stability (62) · design (56) · airship (54) · wings (53) · dirigible (52) · aerostat (52) · Propellers (51) · subsystem (39) · propeller (36) · balloons (35) · None (34) · safety (33) · control (31)
Full specification filed date:
Application number:
None (638)
Granted:
Supplementary to patent:
None (573) · Patent FR-1907-377174 (3) · Patent FR-1881-142748 (3) · Patent FR-1878-124576 (3) · Patent FR-1909-420004 (3)
Related to aircraft:
Patent agent:
None (447) · Armengaud jeune (27) · Chassevent (25) · Blétry aîné (17) · Desnos (15) · Société Marillier et Robelet (13) · Armengaud aîné (12) · None (12) · Dieuaide (8) · Dumas (8) · Hippolyte Josse (8) · Société Louis Gudman et Cie (7) · C. Blétry (6) · Société Matray frères (6) · Casalonga (6) · Émile Barrault (6) · Société Thirion et Bonnet (5) · Weismann et Marx (5) · Thirion (5) · Josse (5)
National tech categories: (Click arrow to add another value)
IPCs:
None (612) · IPC B64B1/00 (55) · IPC B64C39/00 (12) · IPC B64C33/02 (10) · IPC B64C11/00 (10) · IPC B64C27/04 (8) · IPC B64B1/40 (7) · IPC B64B1/58 (7) · IPC B64C23/00 (4) · IPC B64C31/06 (3) · IPC B64C17/00 (3) · IPC B64C3/00 (2) · IPC B64C33/00 (2) · IPC B64C13/04 (2) · IPC B64C13/02 (2) · IPC B64C13/00 (2) · IPC B64C1/00 (2) · IPC B64C31/04 (2)
CPCs:
None (637) · CPC B64B1/00 (55) · CPC B64C33/02 (9) · CPC B64B1/58 (7) · CPC B64B1/40 (7) · CPC B64C39/005 (6) · CPC B64C2700/6281 (6) · CPC B64C39/00 (5) · CPC B64C23/005 (4) · CPC B64C27/12 (4) · CPC B64C11/001 (4) · CPC B64C27/04 (3) · CPC B64C17/00 (3) · CPC B64C11/006 (3) · CPC B64C2700/6295 (3) · CPC A63H27/08 (3)
First filing:
Citations from after 1930:
Number of diagram pages:

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