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Patents > Tech fields : Lift or propellers & Related to aircraft: 1

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None (349) · Patent US-1909-970771 (8) · Patent DE-1910-06-18 Carl Hanschke (4) · Patent DE-1911-251309 (4) · Patent DE-1909-220044 (4) · Patent US-1910-993987 (3) · Patent BE-1910-230887 (3) · Patent SE-1906-25199 (3) · Patent FR-1909-404954 (3) · Patent FR-1916-502839 (3) · Patent FR-1909-410848 (3) · Patent FR-1910-418630 (3)
Related to aircraft: (Click arrow to add another value)
Patent agent:
None (182) · None (24) · Armengaud jeune (22) · E. Blétry (11) · Weismann et Marx (10) · Boult, Wade & Tennant (10) · J. Bonnet-Thirion (9) · A. Wunderlich & Cie, Ingénieurs-Conseils (8) · Munn & Co. (7) · Marks & Clerk (6) · Lavoix et Mosès (6) · Schwab (6) · Duvinage (5) · Dupont et Elluin (5) · Hippolyte Josse (5) · C. Blétry (5) · Haseltine, Lake & Co. (5) · J. Germain (5)
National tech categories:
FR 6.4 (161) · None (131) · HU V/h (50) · BE K (49) · AT 77d (25) · FR 6.2 (15) · FR 6.3 (10) · DK 77 (8) · CH 129b (6) · NL 62 (5) · USPC 244/50 (4) · USPC 244/65 (4) · DE 77h.5 (4) · USPC 244/233 (4) · CH 115 (3) · IT 8 (3) · USPC 244/23R (3) · USPC 244/35R (3) · CH 128c (3) · FR 5.3 (3)
IPCs:
None (258) · IPC B64C39/00 (38) · IPC B64C11/00 (26) · IPC B64C23/00 (19) · IPC B64C11/20 (11) · IPC B64C27/04 (10) · IPC B64D35/04 (8) · IPC B63H1/12 (7) · IPC B64C13/00 (6) · IPC B64B1/00 (6) · IPC B64C1/00 (6) · IPC B64C11/16 (6) · IPC B64C17/00 (6) · IPC B64C11/04 (5) · IPC B64C11/36 (5) · IPC B64D27/00 (5) · IPC B64C3/48 (5) · IPC B64C3/52 (5)
CPCs:
None (211) · CPC B64C39/00 (27) · CPC B64C23/005 (21) · CPC B64C11/006 (14) · CPC B64C13/00 (13) · CPC B64C2700/6295 (13) · CPC B64C2700/6274 (10) · CPC B64D35/04 (9) · CPC B64C11/00 (9) · CPC B64B1/00 (8) · CPC B64C17/00 (8) · CPC B64C2700/6245 (7) · CPC B64C11/16 (7) · CPC B64C3/52 (7) · CPC B64C39/08 (7) · CPC B64C11/205 (6) · CPC B64C27/04 (6) · CPC B64C3/385 (6)
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