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Patents > National tech categories : FR 6.3 or USPC 244/131 or USPC 244/30

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Tech fields:
LTA (209) · navigation (158) · Propulsion (142) · balloon (75) · dirigible (55) · aerostat (52) · airplane (46) · None (45) · frame (35) · construction (35) · airship (34) · safety (33) · stability (33) · balloons (27) · ascension (25) · propeller (25) · propellers (25) · parachute (20) · car (19)
Full specification filed date:
Application number:
None (444)
Granted:
Supplementary to patent:
None (500) · Patent FR-1907-377174 (3) · Patent FR-1878-124576 (3) · Patent FR-1881-142748 (3) · Patent FR-1909-420004 (2) · Patent FR-1902-326476 (2) · Patent FR-1902-317598 (2) · Patent FR-1901-317232 (2) · Patent GB-1902-24336 (2) · Patent FR-1897-271948 (2) · Patent FR-1893-233439 (2) · Patent FR-1892-225358 (2) · Patent FR-1891-217128 (2) · Patent FR-1890-205155 (2) · Patent FR-1883- (2) · Patent FR-1881-143296 (2) · Patent FR-1898-275602 (2) · Patent FR-1893-228892 (2) · Patent DE-1892-73603 (2)
Related to aircraft:
Patent agent:
None (253) · Armengaud jeune (26) · Chassevent (25) · Blétry aîné (17) · Desnos (15) · Société Marillier et Robelet (14) · Armengaud aîné (12) · None (10) · Dieuaide (9) · Hippolyte Josse (8) · Dumas (8) · Casalonga (7) · Société Louis Gudman et Cie (7) · Société Matray frères (6) · Émile Barrault (6) · C. Blétry (6)
National tech categories: (Click arrow to add another value)
IPCs:
None (443) · IPC B64B1/00 (94) · IPC B64C39/00 (11) · IPC B64C33/02 (8) · IPC B64C11/00 (8) · IPC B64C27/04 (8) · IPC B64B1/40 (7) · IPC B64B1/58 (6) · IPC B64C23/00 (4) · IPC B64C17/00 (3) · IPC B64C13/02 (2) · IPC B64C33/00 (2) · IPC B64B1/02 (2) · IPC B64C31/04 (2) · IPC B64C1/00 (2) · IPC B64C3/00 (2) · IPC B64C13/04 (2)
CPCs:
None (400) · CPC B64B1/00 (117) · CPC B64B1/40 (8) · CPC B64C33/02 (8) · CPC B64C39/005 (6) · CPC B64C2700/6281 (6) · CPC B64B1/58 (6) · CPC B64C39/00 (5) · CPC B64C23/005 (5) · CPC B64C27/12 (4) · CPC B64C17/00 (4) · CPC B64C11/001 (4) · CPC B64C1/26 (4) · CPC B64C2700/6295 (4) · CPC B64C11/006 (3) · CPC B64C13/00 (3) · CPC B64C27/04 (3)
First filing:
Cites these patents:
Citations from after 1930:
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