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Patents > National tech categories : DE 77 or FR 6.3 or USPC 244/66

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Office:
Applicant is inventor:
Tech fields:
LTA (246) · navigation (175) · propulsion (169) · balloon (93) · dirigible (61) · None (53) · aerostat (52) · airplane (50) · airship (50) · propeller (42) · frame (42) · stability (41) · construction (35) · balloons (30) · ascension (29) · safety (27) · propellers (27) · car (26) · control (25) · hybrid (24)
Full specification filed date:
Application number:
None (573)
Granted:
Supplementary to patent:
None (592) · Patent GB-1887-8255 (3) · Patent FR-1907-377174 (3) · Patent FR-1878-124576 (3) · Patent FR-1881-142748 (3)
Related to aircraft:
Patent agent:
None (378) · Armengaud jeune (26) · Chassevent (25) · Blétry aîné (17) · Desnos (15) · Société Marillier et Robelet (14) · Armengaud aîné (12) · None (9) · Dieuaide (9) · Dumas (8) · Hippolyte Josse (8) · Casalonga (7) · Société Louis Gudman et Cie (7) · Émile Barrault (6) · C. Blétry (6) · Société Matray frères (6) · Société Thirion et Bonnet (5) · Josse (5) · Thirion (5) · Weismann et Marx (5)
National tech categories: (Click arrow to add another value)
IPCs:
None (528) · IPC B64B1/00 (64) · IPC B64C33/02 (20) · IPC B64C39/00 (14) · IPC B64B1/40 (12) · IPC B64B1/58 (11) · IPC B64C23/00 (10) · IPC B64C27/04 (10) · IPC B64C11/00 (10) · IPC B64C31/06 (5) · IPC B64C31/04 (4) · IPC B64B1/62 (3) · IPC B64C17/00 (3) · IPC B64B1/06 (3)
CPCs:
None (480) · CPC B64B1/00 (71) · CPC B64C23/005 (29) · CPC B64C33/02 (22) · CPC B64B1/40 (16) · CPC B64B1/58 (10) · CPC B64C39/005 (8) · CPC B64C2700/6281 (7) · CPC B64C27/82 (6) · CPC B64C27/12 (6) · CPC B64C2700/6273 (6) · CPC B64C33/00 (6) · CPC B64C39/00 (5) · CPC B64C2700/6295 (5) · CPC B64C11/001 (4) · CPC B64C31/04 (4) · CPC A63H27/08 (4) · CPC B64C11/006 (4)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:

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