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Patents > National tech categories : FR 6 or FR 6.3 or USPC 244/80

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Tech fields:
LTA (171) · navigation (159) · Propulsion (136) · stability (67) · balloon (64) · aerostat (56) · airplane (54) · None (50) · Dirigible (49) · construction (35) · airship (35) · propellers (32) · balloons (28) · safety (26) · ascension (26) · frame (23) · Hybrid (21) · control (21) · propeller (20)
Full specification filed date:
Application number:
None (447)
Granted:
Supplementary to patent:
None (521) · Patent FR-1841-9265 (6) · Patent FR-1881-142748 (3) · Patent FR-1878-124576 (3) · Patent FR-1907-377174 (3) · Patent FR-1902-326476 (2) · Patent FR-1902-317598 (2) · Patent FR-1901-317232 (2) · Patent FR-1898-275602 (2) · Patent FR-1893-233439 (2) · Patent FR-1893-228892 (2) · Patent FR-1891-217128 (2) · Patent FR-1890-205155 (2) · Patent FR-1883- (2) · Patent FR-1881-143296 (2) · Patent FR-1909-420004 (2) · Patent FR-1897-271948 (2) · Patent FR-1892-225358 (2) · Patent DE-1892-73603 (2)
Related to aircraft:
Patent agent:
None (242) · Armengaud jeune (27) · Chassevent (25) · Blétry aîné (17) · Desnos (16) · Société Marillier et Robelet (13) · Armengaud aîné (12) · None (12) · Victor J. Evans (10) · Hippolyte Josse (8) · Dumas (8) · Dieuaide (8) · Émile Barrault (6) · Thirion (6) · Société Louis Gudman et Cie (6) · Société Matray frères (6) · Casalonga (6) · C. Blétry (6)
National tech categories: (Click arrow to add another value)
IPCs:
None (486) · IPC B64B1/00 (55) · IPC B64C17/00 (14) · IPC B64C39/00 (12) · IPC B64C11/00 (9) · IPC B64C33/02 (9) · IPC B64C27/04 (8) · IPC B64B1/40 (7) · IPC B64B1/58 (6) · IPC B64C23/00 (5) · IPC B64C31/06 (3) · IPC B64C13/02 (2) · IPC B64C33/00 (2) · IPC B64C31/04 (2) · IPC B64C30/00 (2) · IPC CPC B64C13/00 (2) · IPC B64C13/24 (2) · IPC B64C1/00 (2) · IPC B64C13/04 (2)
CPCs:
None (423) · CPC B64C17/00 (60) · CPC B64B1/00 (55) · CPC B64C23/005 (11) · CPC B64C33/02 (9) · CPC B64C13/00 (7) · CPC B64B1/40 (7) · CPC B64C39/005 (6) · CPC B64B1/58 (6) · CPC B64C2700/6281 (6) · CPC B64C39/00 (5) · CPC B64C11/001 (4) · CPC B64C27/12 (4) · CPC B64C2700/6295 (4) · CPC B64C27/04 (3) · CPC B64C13/24 (3) · CPC A63H27/08 (3) · CPC B64C11/006 (3) · CPC B64C30/00 (3)
First filing:
Citations from after 1930:
Number of diagram pages:

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