Drilldown: Patents

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

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Office:
Applicant person:
None (114) · Antoine-Padoue Filippi (3) · Paul Frederik Degn (3) · Paul Petres (3) · Rudolf Krocker (3) · Gustav Mees (3) · Spencer Heath (3)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (169) · 25723218 (2)
Granted:
Supplementary to patent:
None (236) · Patent DE-1899-123884 (4) · Patent DE-1913-293131 (3) · Patent DE-1913-290120 (3) · Patent GB-1909-12556 (2) · Patent FR-1909-410140 (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 GB-1908-28547 (2) · Patent FR-1904-340154 (2) · Patent DE-1893-73799 (2) · Patent CH-1905-33302 (2)
Related to aircraft:
Patent agent:
None (152) · Munn & Co. (7) · Victor J. Evans (5) · Armengaud jeune (4) · Schwab (4) · E. Blum & Co. (3) · None (3) · Haseltine, Lake & Co. (3) · Chassevent (3) · G. de Mestral et F. Harlé (2) · Alexander Denes (2) · W. P. Thompson & Co. (2) · B. Singer (2) · Dom. Casalonga (2) · Knight Bros. (2) · J. Bonnet-Thirion (2) · J. E. Evans-Jackson & Co. (2) · Jensen & Son (2) · E. Imer-Schneider (2)
National tech categories:
None (69) · DE 77h.6 (31) · FR 6.4 (24) · AT 77d (19) · DE 77 (16) · DE 77h (7) · DE 77h.5 (6) · USPC 244/30 (6) · USPC 244/66 (6) · USPC 244/6 (5) · USPC 244/73R (5) · FR 6.2 (5) · CH 129b (4) · USPC 244/51 (4) · USPC 244/70 (4) · FR 6.3 (4)
IPCs:
None (186) · IPC B64B1/00 (14) · IPC B64C11/00 (9) · IPC B64C23/00 (7) · IPC B64C11/16 (7) · IPC B64C39/00 (5) · IPC B64C11/04 (5) · IPC B64B1/58 (4) · IPC B64C11/20 (4) · IPC B64C27/00 (4) · IPC B64C11/30 (3) · IPC B64D7/02 (3) · IPC B64C3/14 (3) · IPC B64C11/34 (3) · IPC B64C9/00 (3) · IPC B64C11/06 (3)
CPCs:
None (80) · CPC B64B1/00 (22) · CPC B64C11/006 (17) · CPC B64C23/005 (16) · CPC B64C11/48 (13) · CPC B64C11/04 (10) · CPC B63H1/12 (8) · CPC B64C39/005 (7) · CPC B64C11/00 (6) · CPC B64D7/02 (5) · CPC B64C9/00 (5) · CPC B64C2700/6295 (5) · CPC B64C11/065 (5) · CPC B64C27/82 (5)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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