Drilldown: Patents

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Patents > Tech fields : HTA or propeller & Number of diagram pages: 1-2

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Supplementary to patent:
None (425) · Patent FR-1909-410140 (4) · Patent DE-1899-123884 (4) · Patent FR-1904-340154 (4) · Patent GB-1909-12556 (4) · Patent DE-1913-293131 (3) · Patent FR-1908-405961 (3) · Patent US-1906-850616 (3) · Patent DE-1913-290120 (3) · Patent DE-1893-73799 (3) · Patent DE-1917-305040 (3)
Related to aircraft:
Patent agent:
None (235) · None (12) · Armengaud jeune (11) · Haseltine, Lake & Co. (8) · Schwab (8) · Munn & Co. (7) · Victor J. Evans (7) · E. Blum & Co. (6) · Marks & Clerk (5) · Abel & Imray (5) · J. Bonnet-Thirion (5) · Lloyd Wise & Co. (4)
National tech categories:
None (163) · FR 6.4 (90) · DE 77h.6 (42) · AT 77d (27) · DE 77 (19) · HU V/h (12) · CH 129b (10) · DE 77h.5 (8) · USPC 244/6 (7) · USPC 244/22 (7) · FR 6.3 (7) · RU Group V (7) · DE 77h (7) · FR 6.2 (6)
IPCs:
None (321) · IPC B64B1/00 (21) · IPC B64C39/00 (20) · IPC B64C11/00 (19) · IPC B64C23/00 (16) · IPC B64C11/16 (13) · IPC B64C1/00 (10) · IPC B64C17/00 (9) · IPC B64C33/02 (8) · IPC B64C27/04 (7) · IPC B64C11/04 (7) · IPC B64C11/20 (6) · IPC B64C27/00 (6) · IPC B64C33/00 (6) · IPC B64C29/00 (6) · IPC B64B1/58 (6) · IPC B64C3/38 (5) · IPC B64C11/34 (4) · IPC B64C9/00 (4)
CPCs:
None (162) · CPC B64B1/00 (31) · CPC B64C11/006 (30) · CPC B64C23/005 (29) · CPC B64C33/02 (16) · CPC B64C11/48 (14) · CPC B64C2700/6295 (13) · CPC B64C11/04 (12) · CPC B64C39/005 (11) · CPC B64C17/00 (11) · CPC B64C11/16 (10) · CPC B64C3/14 (8) · CPC B64C39/00 (8) · CPC B64C39/08 (8) · CPC B64C3/385 (8)
First filing:
Citations from after 1930:
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