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Patents > Related to aircraft : 1911-07-04 or Yes & Family year: 1909

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None (759) · Patent BE-1909-214032 (32) · Patent GB-1909-8531 (7) · Patent FR-1909-399456 (5) · Patent HU-1909-49726 (4) · Patent FR-1909-420322 (3) · Patent FR-1909-401348 (3) · Patent FR-1909-408644 (3) · Patent FR-1909-398825 (3) · Patent GB-1909-26034 (3)
Related to aircraft: (Click arrow to add another value)
Patent agent:
None (678) · A. Wunderlich & Cie, Ingénieurs-Conseils (28) · Armengaud jeune (20) · Marks & Clerk (15) · J. Bonnet-Thirion (11) · Abel & Imray (9) · Boult, Wade & Tennant (8) · Hippolyte Josse (7) · Weismann et Marx (6) · Schwab (6) · E. Blétry (5) · Herbert Haddan & Co. (5) · Rigot et Prévost (4) · Johnsons & Willcox (4) · Émile Klotz (4) · Edward Evans & Co. (4) · Y. Rabilloud et fils (4)
National tech categories:
None (631) · FR 6.4 (168) · BE K (37) · HU V/h (20) · DE 77h.5 (6) · USPC 244/93 (5) · USPC 244/80 (4) · FR 6.2 (4) · USPC 244/46 (3) · AT 77d (3) · USPC 244/12.1 (3) · GB 4 aërostats (3) · FR 6.3 (3) · USPC 244/87 (3)
IPCs:
None (654) · IPC B64C17/00 (35) · IPC B64C39/00 (34) · IPC B64C1/00 (30) · IPC B64B1/00 (27) · IPC B64B1/58 (19) · IPC B64C3/38 (17) · IPC B64C11/00 (14) · IPC B64C33/02 (14) · IPC B64C23/00 (10) · IPC B64C13/00 (9) · IPC B64B1/40 (8) · IPC B64C25/00 (6) · IPC B64C35/00 (6) · IPC B64C33/00 (6) · IPC B64B1/62 (5) · IPC B64C17/06 (5) · IPC B64C3/54 (5) · IPC B63H1/12 (4) · IPC B64D27/00 (4)
CPCs:
None (529) · CPC B64C17/00 (45) · CPC B64C2700/6295 (38) · CPC B64B1/00 (31) · CPC B64C39/00 (28) · CPC B64B1/58 (28) · CPC B64C3/385 (25) · CPC B64C11/006 (18) · CPC B64C33/02 (18) · CPC B64C13/00 (18) · CPC B64C23/005 (16) · CPC B64C2700/6218 (14) · CPC B64C33/00 (12) · CPC B64B1/40 (12) · CPC B64C17/06 (8) · CPC B64C2700/6212 (8) · CPC B64C2700/6274 (7) · CPC B64C39/005 (7)
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