Drilldown: Patents

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Patents > Inventor country : DE or FR & Number of claims: 6-30

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Office:
Inventor country: (Click arrow to add another value)
Applicant is inventor:
Tech fields:
None (146) · Airplane (81) · LTA (46) · propulsion (41) · stability (40) · frame (40) · construction (36) · Design (32) · propellers (27) · Subsystem (27) · control (26) · navigation (24) · Airship (24) · wings (23) · balloon (21) · landing (18) · gas (17) · safety (16) · propeller (16) · Aerodynamics (14)
Full specification filed date:
Application number:
Granted:
Supplementary to patent:
None (250) · Patent FR-1911-443878 (3) · Patent FR-1911-440594 (3) · Patent DE-1895-98580 (3) · Patent FR-1913-466195 (3)
Related to aircraft:
Patent agent:
None (125) · Armengaud jeune (24) · None (16) · Boult, Wade & Tennant (13) · E. Blétry (10) · Charles Dony (10) · Marks & Clerk (9) · L. Chassevent (8) · Hippolyte Josse (8) · Boramé et Julien (6) · Ch. Mardelet (5) · Haseltine, Lake & Co. (5) · C. Blétry (5) · C. Baumann (5) · H. Blouin (4) · H. Bœttcher fils (4) · J. Bonnet-Thirion (4)
National tech categories:
FR 6.4 (164) · None (100) · HU V/h (31) · FR 6.3 (11) · AT 77d (9) · FR 5.8 (5) · DK 77 (4) · USPC 244/119 (3) · CH 129b (3)
IPCs:
None (125) · IPC B64C1/00 (40) · IPC B64C39/00 (37) · IPC B64C17/00 (36) · IPC B64B1/00 (19) · IPC B64C33/02 (11) · IPC B64C3/00 (9) · IPC B64C11/00 (9) · IPC B64C35/00 (8) · IPC B64B1/58 (8) · IPC B64C17/06 (6) · IPC B64C3/38 (6) · IPC B64C3/56 (6) · IPC B64C23/00 (6) · IPC B64C3/52 (5) · IPC B64C3/18 (5)
CPCs:
None (90) · CPC B64C17/00 (42) · CPC B64C39/00 (24) · CPC B64B1/00 (21) · CPC B64C2700/6218 (17) · CPC B64C2700/6295 (16) · CPC B64C33/02 (13) · CPC B64C3/00 (10) · CPC B64C13/00 (9) · CPC B64B1/58 (9) · CPC B64C17/06 (8) · CPC B64C39/08 (8) · CPC B64C35/00 (8) · CPC B64C2700/6233 (7) · CPC B64C2700/6214 (7) · CPC B64C23/005 (7) · CPC B64C3/56 (7) · CPC B64C1/00 (7) · CPC B64C3/52 (7)
First filing:
Citations from after 1930:
Number of diagram pages:

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