Drilldown: Patents

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Patents > Tech fields : instrument or propellers & Number of text pages: 2-3

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Supplementary to patent:
None (387) · Patent FR-1911-430455 (7) · Patent FR-1910-423792 (7) · Patent DE-1909-220044 (4) · Patent DE-1911-251309 (4) · Patent FR-1908-407090 (4) · Patent DE-1910-06-18 Carl Hanschke (4) · Patent FR-1910-424987 (3) · Patent US-1909-970771 (3) · Patent FR-1916-502839 (3) · Patent AT-1912-64392 (3) · Patent FR-1909-401714 (3) · Patent AT-1909-40038 (3)
Related to aircraft:
Patent agent:
None (233) · Armengaud jeune (37) · None (16) · Boult, Wade & Tennant (15) · J. Bonnet-Thirion (13) · E. Blétry (11) · Weismann et Marx (9) · G. de Mestral et F. Harlé (9) · Marks & Clerk (9) · Haseltine, Lake & Co. (8) · J. Germain (8) · Schwab (8) · L. Chassevent (7) · Y. Rabilloud et fils (7) · Brandon frères (7) · Herbert H. Thompson (6) · Hippolyte Josse (6) · Dom. Casalonga (6) · Charles Dony (6) · de Bongé (6)
National tech categories:
FR 6.4 (222) · None (157) · HU V/h (77) · FR 6.2 (42) · AT 77d (26) · DE 77h.6 (8) · FR 6.3 (6) · FR 5.3 (5) · CH 129b (4) · DK 77 (4) · USPC 244/65 (3) · DE 77h.5 (3) · CH 115 (3)
IPCs:
None (226) · IPC B64C11/00 (53) · IPC B64C39/00 (37) · IPC B64C11/20 (20) · IPC B63H1/12 (18) · IPC B64C11/04 (18) · IPC B64C23/00 (16) · IPC B64C27/04 (16) · IPC B64C11/16 (16) · IPC B64C1/00 (14) · IPC B64C17/00 (12) · IPC B64C11/36 (9) · IPC B64C33/02 (8) · IPC B64B1/00 (8) · IPC B64D35/04 (8) · IPC B64C27/00 (6) · IPC G01P3/36 (6) · IPC B64D27/00 (6)
CPCs:
None (164) · CPC B64C11/006 (35) · CPC B64C39/00 (27) · CPC B64C11/16 (19) · CPC B64C11/00 (19) · CPC B64C11/04 (18) · CPC B64C23/005 (18) · CPC B64C2700/6274 (16) · CPC B64C2700/6295 (14) · CPC B64C11/20 (13) · CPC B64C17/00 (13) · CPC B64C11/36 (12) · CPC B63H1/26 (11) · CPC B64C33/02 (10) · CPC B64C2700/6218 (9) · CPC B64D35/04 (9) · CPC B64B1/00 (9) · CPC B64C2700/6281 (9) · CPC B64C27/04 (8) · CPC B64C27/12 (8)
First filing:
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