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Patents > Inventor country: FR & Tech fields : Airship or Stability

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Supplementary to patent:
None (353) · Patent FR-1909-399456 (7) · Patent FR-1912-447782 (7) · Patent FR-1914-475066 (4) · Patent FR-1911-443878 (4) · Patent BE-1910-230887 (4) · Patent BE-1911-11-17 (3) · Patent FR-1910-435648 (3) · Patent FR-1910-415470 (3) · Patent FR-1911-446282 (3) · Patent FR-1910-428665 (3) · Patent FR-1909-406466 (3) · Patent FR-1907-373818 (3) · Patent FR-1909-399456.11513 (3) · Patent FR-1913-472867 (3) · Patent FR-1908-401308 (3)
Related to aircraft:
Patent agent:
None (187) · Armengaud jeune (57) · None (31) · Haseltine, Lake & Co. (14) · E. Blétry (12) · J. Germain (12) · J. Bonnet-Thirion (10) · Lavoix et Mosès (9) · Chassevent (8) · Hippolyte Josse (8) · L. Chassevent (7) · Abel & Imray (7) · Charles Dony (7) · Boult, Wade & Tennant (7) · H. Bœttcher fils (6) · Dupont et Elluin (6) · Weismann et Marx (6) · Marks & Clerk (5) · Johnsons & Willcox (5)
National tech categories:
FR 6.4 (342) · None (93) · FR 6.3 (38) · BE K (15) · HU V/h (14) · FR 5 (5) · IT 8 (5) · AT 77d (4) · DE 77h.5 (4)
IPCs:
IPC B64C17/00 (183) · IPC B64C1/00 (154) · None (123) · IPC B64B1/00 (35) · IPC B64C39/00 (32) · IPC B64C17/06 (27) · IPC B64C3/38 (14) · IPC B64C13/00 (10) · IPC B64B1/58 (10) · IPC B64B1/40 (6) · IPC B64C25/00 (6) · IPC B64C33/00 (5) · IPC B64C3/54 (5) · CPC B64C17/00 (4) · IPC B64C13/04 (4) · IPC B64C3/00 (4)
CPCs:
CPC B64C17/00 (197) · None (97) · CPC B64C2700/6218 (79) · CPC B64B1/00 (35) · CPC B64C2700/6212 (35) · CPC B64C17/06 (31) · CPC B64C2700/6214 (27) · CPC B64C2700/6216 (25) · CPC B64C39/00 (25) · CPC B64C13/00 (18) · CPC B64C2700/6219 (18) · CPC B64C2700/6295 (17) · CPC B64C1/00 (15) · CPC B64C3/385 (15) · CPC B64C2700/6256 (12) · CPC B64B1/58 (11) · CPC B64C2700/6215 (10) · CPC B64B1/40 (7) · CPC B64C9/00 (6) · CPC B64C33/02 (6)
First filing:
Citations from after 1930:
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