Drilldown: Patents

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

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Inventor location:
None (615) · Budapest (23) · Seine (12) · Paris (6) · Nord (4) · New York city (3) · Seine-et-Oise (3) · Basse-Pyrénées (3)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
Granted:
Supplementary to patent:
None (440) · Patent FR-1910-423792 (7) · Patent FR-1911-430455 (7) · Patent DE-1911-251309 (4) · Patent DE-1910-06-18 Carl Hanschke (4) · Patent DE-1909-220044 (4) · Patent FR-1908-407090 (4) · Patent FR-1910-424987 (3) · Patent FR-1909-401714 (3) · Patent US-1909-970771 (3) · Patent DE-1910-236694 (3) · Patent AT-1912-64392 (3) · Patent AT-1912-57088 (3) · Patent DE-1913-287314 (3) · Patent DE-1907-240268 (3) · Patent FR-1916-502839 (3)
Related to aircraft:
Patent agent:
None (230) · Armengaud jeune (33) · None (20) · J. Bonnet-Thirion (14) · Marks & Clerk (12) · Boult, Wade & Tennant (12) · G. de Mestral et F. Harlé (11) · Weismann et Marx (10) · E. Blétry (10) · Dom. Casalonga (10) · Charles Dony (10) · L. Chassevent (9) · Schwab (8) · J. Germain (8) · Y. Rabilloud et fils (8) · Boramé et Julien (7) · Haseltine, Lake & Co. (7) · Hippolyte Josse (6) · Brandon frères (6) · de Bongé (6)
National tech categories:
FR 6.4 (226) · None (164) · HU V/h (70) · FR 6.2 (42) · AT 77d (30) · DE 77h.6 (9) · DE 77h.5 (9) · USPC 244/35R (8) · FR 6.3 (8) · USPC 244/45R (7) · CH 129b (7) · DE 77h.7 (6) · USPC 244/22 (5) · USPC 244/64 (5) · USPC 244/72 (5) · USPC 244/87 (5) · USPC 244/90R (5)
IPCs:
None (272) · IPC B64C11/00 (54) · IPC B64C39/00 (42) · IPC B64C11/20 (21) · IPC B64C11/04 (20) · IPC B64C23/00 (18) · IPC B63H1/12 (17) · IPC B64C11/16 (17) · IPC B64C27/04 (16) · IPC B64C17/00 (12) · IPC B64C33/02 (12) · IPC B64C1/00 (11) · IPC B64B1/00 (10) · IPC B64C11/36 (9) · IPC B64C3/00 (8) · IPC B64D35/04 (8) · IPC B64C3/52 (7)
CPCs:
None (160) · CPC B64C11/006 (35) · CPC B64C39/00 (32) · CPC B64C23/005 (24) · CPC B64C2700/6295 (23) · CPC B64C11/00 (21) · CPC B64C11/16 (20) · CPC B64C11/04 (20) · CPC B64C33/02 (18) · CPC B64B1/00 (15) · CPC B64C3/14 (15) · CPC B64C11/20 (14) · CPC B64C2700/6274 (12) · CPC B64C11/36 (12) · CPC B64C17/00 (12) · CPC B64C39/08 (11) · CPC B63H1/26 (11) · CPC B64C13/00 (11) · CPC B64C3/00 (10)
First filing:
Citations from after 1930:
Number of text pages:
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