Drilldown: Patents

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Patents > Year filed: 1910 - 1919 & Tech fields : propellers or turning

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None (252) · Patent BE-1909-214032 (11) · Patent FR-1910-423792 (5) · Patent DE-1911-251309 (4) · Patent DE-1910-06-18 Carl Hanschke (4) · Patent DE-1909-220044 (4) · Patent US-1909-970771 (3) · Patent GB-1911-29012 (3) · Patent FR-1916-502839 (3) · Patent FR-1911-430455 (3) · Patent FR-1909-404954 (3) · Patent AT-1912-64392 (3) · Patent AT-1912-57088 (3) · Patent AT-1909-12-31 Vigilio Baldo (3) · Patent AT-1909-40038 (3)
Related to aircraft:
Patent agent:
None (198) · A. Wunderlich & Cie, Ingénieurs-Conseils (13) · Boult, Wade & Tennant (9) · E. Blétry (8) · Marks & Clerk (6) · Dupont et Elluin (6) · de Bongé (6) · None (5) · Schwab (5) · Haseltine, Lake & Co. (5) · Armengaud jeune (5) · H. D. Fitzpatrick & Co. (4) · Boramé et Julien (4) · Fayollet (4) · Brandon frères (4) · Hippolyte Josse (4) · Arthur C. Downing (4)
National tech categories:
None (149) · FR 6.4 (91) · HU V/h (62) · BE K (39) · AT 77d (19) · FR 6.2 (12) · DE 77h.6 (8) · USPC 244/233 (3) · NL 62 (3) · USPC 244/50 (3) · CH 129b (3) · CH 128c (2) · USPC 244/65 (2) · DE 77h.5 (2) · NL 62.6 (2) · CH 129c (2) · FR 5.3 (2) · DK 65 (2) · FR 10.1 (2)
IPCs:
None (214) · IPC B64C11/00 (31) · IPC B64C39/00 (21) · IPC B64C11/16 (13) · IPC B64C11/04 (13) · IPC B64C11/20 (12) · IPC B64C23/00 (11) · IPC B64C27/04 (7) · IPC B64C11/36 (6) · IPC B64C1/00 (6) · IPC B64C11/30 (5) · IPC B64D35/08 (5) · IPC B64C17/00 (5) · IPC B64C35/00 (5) · IPC B64C11/24 (4) · IPC B64D27/00 (4) · IPC B64C11/18 (4)
CPCs:
None (161) · CPC B64C11/006 (18) · CPC B64C11/16 (15) · CPC B64C23/005 (13) · CPC B64C11/04 (13) · CPC B64C39/00 (12) · CPC B64C11/00 (12) · CPC B64C13/00 (10) · CPC B64C2700/6274 (10) · CPC B64C11/20 (8) · CPC B64C11/36 (7) · CPC B64C2700/6295 (7) · CPC B64C17/00 (6) · CPC B64C11/205 (6) · CPC B64C2700/6281 (6) · CPC B64C39/005 (5) · CPC B64D35/08 (5) · CPC B64C11/18 (5) · CPC B64C27/04 (5)
First filing:
Citations from after 1930:
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