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Patents > National tech categories : DE 77 or FR 6.3 or USPC 244/110F

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Office:
Applicant is inventor:
Tech fields:
LTA (233) · navigation (151) · Propulsion (150) · None (95) · balloon (91) · dirigible (59) · aerostat (52) · airship (45) · airplane (37) · stability (34) · frame (31) · construction (30) · propeller (30) · balloons (28) · ascension (26) · propellers (24) · car (23) · safety (21) · control (20)
Full specification filed date:
Application number:
None (573)
Granted:
Supplementary to patent:
None (557) · Patent FR-1907-377174 (3) · Patent FR-1881-142748 (3) · Patent FR-1878-124576 (3)
Related to aircraft:
Patent agent:
None (360) · Armengaud jeune (26) · Chassevent (25) · Blétry aîné (17) · Desnos (15) · Société Marillier et Robelet (14) · Armengaud aîné (12) · None (9) · Dieuaide (9) · Hippolyte Josse (8) · Dumas (8) · Société Louis Gudman et Cie (7) · Casalonga (7) · C. Blétry (6) · Société Matray frères (6) · Émile Barrault (6) · Thirion (5) · Weismann et Marx (5) · Société Thirion et Bonnet (5) · Josse (5)
National tech categories: (Click arrow to add another value)
IPCs:
None (497) · IPC B64B1/00 (65) · IPC B64C33/02 (21) · IPC B64C39/00 (13) · IPC B64B1/40 (12) · IPC B64C27/04 (11) · IPC B64B1/58 (11) · IPC B64C11/00 (10) · IPC B64C23/00 (8) · IPC B64C31/06 (5) · IPC B64C31/04 (3) · IPC B64C17/00 (3) · IPC B64B1/06 (3)
CPCs:
None (477) · CPC B64B1/00 (73) · CPC B64C33/02 (23) · CPC B64B1/40 (16) · CPC B64B1/58 (10) · CPC B64C23/005 (9) · CPC B64C2700/6281 (8) · CPC B64C39/005 (7) · CPC B64C33/00 (6) · CPC B64C2700/6273 (6) · CPC B64C39/00 (5) · CPC B64C11/006 (4) · CPC B64C11/001 (4) · CPC A63H27/08 (4) · CPC B64C27/12 (4) · CPC B64C27/04 (4)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:

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