Drilldown: Patents

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Patents > Tech fields : Tension or propeller & Number of text pages: 1-2

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Office:
Applicant person:
None (118) · Spencer Heath (6) · Emanuel Spreekmeester (3) · Rudolf Krocker (3) · Antoine-Padoue Filippi (3) · Paul Petres (3) · Paul Frederik Degn (3) · Lucien Chauvière (3) · Gustav Mees (3)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (192) · 25723218 (2)
Granted:
Supplementary to patent:
None (260) · Patent DE-1899-123884 (4) · Patent DE-1913-293131 (3) · Patent DE-1913-290120 (3) · Patent GB-1909-12556 (2) · Patent GB-1908-28547 (2) · Patent FR-1909-410140 (2) · Patent FR-1908-405961 (2) · Patent DE-1917-305040 (2) · Patent DE-1916-332540 (2) · Patent DE-1909-227246 (2) · Patent DE-1907-214228 (2) · Patent DE-1907-194165 (2) · Patent FR-1904-340154 (2) · Patent DE-1893-73799 (2) · Patent CH-1905-33302 (2)
Related to aircraft:
Patent agent:
None (162) · Munn & Co. (7) · None (6) · Victor J. Evans (6) · J. Bonnet-Thirion (5) · Armengaud jeune (4) · Schwab (4) · H. C. Everett Co. (3) · E. Blum & Co. (3) · Chassevent (3) · Haseltine, Lake & Co. (3)
National tech categories:
None (76) · DE 77h.6 (41) · FR 6.4 (29) · AT 77d (19) · DE 77 (16) · DE 77h (7) · USPC 244/30 (6) · USPC 244/66 (6) · FR 6.2 (6) · DE 77h.5 (6) · RU Group V (5) · USPC 244/6 (5) · CH 129b (5) · USPC 244/73R (5) · USPC 244/70 (4) · USPC 244/72 (4) · USPC 244/51 (4) · FR 5.3 (4) · FR 6.3 (4)
IPCs:
None (201) · IPC B64B1/00 (15) · IPC B64C11/16 (11) · IPC B64C11/00 (9) · IPC B64C23/00 (7) · IPC B64C11/04 (6) · IPC B64C39/00 (5) · IPC B64C11/20 (4) · IPC B63H1/12 (4) · IPC B64B1/58 (4) · IPC B64C27/00 (3) · IPC B64C11/34 (3) · IPC B64C3/00 (3) · IPC B64C11/32 (3) · IPC B64C11/30 (3) · IPC B64C3/14 (3) · IPC B64C9/00 (3) · IPC B64D7/02 (3) · IPC B64C11/06 (3)
CPCs:
None (85) · CPC B64B1/00 (24) · CPC B64C11/006 (19) · CPC B64C23/005 (17) · CPC B64C11/48 (13) · CPC B64C11/04 (11) · CPC B63H1/12 (7) · CPC B64C39/005 (7) · CPC B64C11/16 (7) · CPC B64C11/00 (7) · CPC B64C11/36 (6) · CPC B64C2700/6295 (6) · CPC B64C33/02 (6) · CPC B64D7/02 (5) · CPC B64C11/065 (5) · CPC B64C9/00 (5) · CPC B64C27/82 (5) · CPC B63H1/26 (5)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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