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Patents > Year granted: 1911 & Tech fields : Airship or aerodynamics or propeller or None

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None (618) · Patent FR-1909-408197 (3) · Patent GB-1911-2636 (2) · Patent US-1911-1003885 (2) · Patent HU-1910-59091 (2) · Patent DE-1909-12-22 System "Stephan" (2) · Patent BE-1909-12-24 Marie Jasogne and Theodor Dobresco (2) · Patent DE-1910-04-04 August Wendtland (2) · Patent BE-1910-09-19 Marie Jasogne and Theodor Dobresco (2)
Related to aircraft:
Patent agent:
None (446) · Armengaud jeune (11) · L. Chassevent (10) · Victor J. Evans (10) · None (8) · Munn & Co. (8) · E. Blétry (7) · Marks & Clerk (4) · Boult, Wade & Tennant (4) · G. Petiau (4)
National tech categories:
None (351) · FR 6.4 (99) · USPC 244/139 (13) · USPC 244/66 (10) · USPC 244/80 (9) · USPC 244/48 (9) · USPC 244/22 (9) · USPC 244/45R (8) · USPC 244/90R (7) · HU V/h (7) · USPC 244/6 (7) · USPC 244/13 (6) · USPC 244/60 (6) · USPC 244/87 (5) · USPC 244/73R (5) · USPC 244/65 (5) · USPC 244/11 (5)
IPCs:
None (517) · IPC B64C39/00 (36) · IPC B64C17/00 (31) · IPC B64C1/00 (28) · IPC B64C23/00 (11) · IPC B64C13/00 (7) · IPC B64C11/00 (7) · IPC B64C3/00 (6) · IPC B64C11/16 (5) · IPC B64C3/54 (5) · IPC B64C3/38 (4) · IPC B64B1/58 (4) · IPC B64C3/56 (4) · IPC B64C25/00 (4) · IPC B64C17/06 (3) · IPC CPC B64C13/00 (3) · IPC B64D27/00 (3) · IPC B64C33/00 (3) · IPC B64C3/42 (3) · CPC B64C17/00 (3)
CPCs:
CPC B64C2700/6295 (87) · None (73) · CPC B64C17/00 (70) · CPC B64C39/00 (68) · CPC B64C23/005 (42) · CPC B64C3/385 (33) · CPC B64C13/00 (31) · CPC B64C2700/6218 (21) · CPC B64C2700/6256 (19) · CPC B64B1/00 (18) · CPC B64C11/006 (18) · CPC B64C2700/6274 (17) · CPC B64C33/02 (16) · CPC B64C2700/6216 (14) · CPC B64C17/06 (14) · CPC B64C39/005 (13) · CPC B64C2700/6214 (12) · CPC B64C1/00 (12) · CPC B64C33/00 (11)
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