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Patents > National tech categories : FR 6.2 or FR 6.3 or IT 8

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Office:
Applicant is inventor:
Tech fields:
propulsion (212) · LTA (194) · navigation (172) · Airplane (104) · propellers (87) · balloon (74) · Dirigible (56) · marine (53) · aerostat (52) · stability (50) · design (45) · None (44) · construction (43) · ascension (37) · propeller (37) · airship (35) · frame (30) · safety (28) · balloons (27) · wings (26)
Full specification filed date:
Application number:
None (607) · 423792D (2)
Granted:
Supplementary to patent:
None (568) · Patent FR-1841-9265 (6) · Patent FR-1910-423792 (5) · Patent FR-1907-377174 (4) · Patent FR-1902-326727 (4) · Patent FR-1881-142748 (3) · Patent FR-1910-424987 (3) · Patent FR-1878-124576 (3) · Patent SE-1906-23283 (3)
Related to aircraft:
Patent agent:
None (380) · Armengaud jeune (32) · Chassevent (25) · Blétry aîné (17) · Desnos (15) · Société Marillier et Robelet (14) · none (14) · Armengaud aîné (12) · Dom. Casalonga (12) · Dieuaide (9) · Weismann et Marx (8) · Dumas (8) · Hippolyte Josse (8) · C. Blétry (7) · Société Louis Gudman et Cie (7) · Casalonga (6) · Émile Barrault (6) · Société Matray frères (6) · Société Thirion et Bonnet (6) · Thirion (6)
National tech categories: (Click arrow to add another value)
IPCs:
None (569) · IPC B64B1/00 (60) · IPC B63H1/12 (20) · IPC B64C11/00 (19) · IPC B64C39/00 (15) · IPC B64C33/02 (9) · IPC B64C27/04 (8) · IPC B64B1/40 (7) · IPC B64C11/16 (6) · IPC B64B1/58 (6) · IPC B64C23/00 (4) · IPC B64C17/00 (4) · IPC B64C11/04 (4) · IPC B63H3/00 (3)
CPCs:
None (566) · CPC B64B1/00 (59) · CPC B64C11/006 (15) · CPC B63H1/26 (12) · CPC B64C33/02 (9) · CPC B64C11/16 (9) · CPC B64C39/005 (7) · CPC B64C2700/6281 (7) · CPC B63H2001/122 (7) · CPC B64B1/40 (7) · CPC B64B1/58 (6) · CPC B64C39/00 (6) · CPC B63H1/12 (5)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:

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