Drilldown: Patents

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Patents > Granted: Yes & National tech categories : FR 6.3 or USPC 244/234

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Tech fields:
LTA (150) · navigation (132) · propulsion (116) · None (71) · balloon (59) · aerostat (52) · Dirigible (48) · airplane (43) · airship (32) · construction (29) · stability (28) · balloons (24) · propellers (22) · ascension (22) · safety (19) · control (16) · frame (15) · Hybrid (15)
Full specification filed date:
Application number:
None (409)
Granted: (Click arrow to add another value)
Supplementary to patent:
None (450) · Patent FR-1878-124576 (3) · Patent FR-1907-377174 (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 FR-1898-275602 (2) · Patent FR-1897-271948 (2) · Patent FR-1893-233439 (2) · Patent FR-1893-228892 (2) · Patent FR-1892-225358 (2) · Patent FR-1890-205155 (2) · Patent FR-1883- (2) · Patent FR-1881-143296 (2) · Patent FR-1891-217128 (2)
Related to aircraft:
Patent agent:
None (213) · Armengaud jeune (26) · Chassevent (25) · Blétry aîné (17) · Desnos (15) · Société Marillier et Robelet (13) · Armengaud aîné (12) · None (11) · Dieuaide (9) · Hippolyte Josse (8) · Société Louis Gudman et Cie (7) · Dumas (7) · Casalonga (6) · C. Blétry (6) · Société Matray frères (6) · Weismann et Marx (5) · Josse (5) · Émile Barrault (5) · Société Thirion et Bonnet (5) · Thirion (5)
National tech categories: (Click arrow to add another value)
IPCs:
None (414) · IPC B64B1/00 (56) · IPC B64C39/00 (13) · IPC B64C27/04 (9) · IPC B64C33/02 (8) · IPC B64C13/00 (8) · IPC B64C11/00 (8) · IPC B64B1/40 (7) · IPC B64B1/58 (6) · IPC B64C23/00 (4) · IPC B64C17/00 (3) · IPC B64C13/04 (3) · IPC B64C3/38 (2) · IPC B64C13/02 (2) · IPC B64C3/00 (2) · IPC B64C33/00 (2) · IPC B64C31/04 (2) · IPC B64C1/00 (2)
CPCs:
None (391) · CPC B64B1/00 (57) · CPC B64C13/00 (10) · CPC B64C33/02 (8) · CPC B64C2700/6281 (7) · CPC B64B1/40 (7) · CPC B64C39/005 (6) · CPC B64C23/005 (6) · CPC B64B1/58 (6) · CPC B64C2700/6295 (5) · CPC B64C39/00 (5) · CPC B64C13/04 (5) · CPC B64C27/12 (4) · CPC B64C27/04 (4) · CPC B64C17/00 (4) · CPC B64C3/14 (4) · CPC B64C11/001 (4) · CPC B64C3/385 (3) · CPC B64C11/006 (3)
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Citations from after 1930:
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