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Patents > Tech fields : aerodynamics or propeller & Number of figures: 3-4

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Applicant person:
None (64) · Robert Esnault-Pelterie (4) · Henri-Marie Coandă (3) · Lucien Chauvière‎‎ (3) · Gustav Mees (3) · Jakob Haw (3) · Otto Albin Budig (3) · Rudolf Krocker (3) · Georges de Bothezat (3) · Joseph Cousin (3) · Josef Deixler (3) · Charles Wolf (3)
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Full specification filed date:
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None (123)
Granted:
Supplementary to patent:
None (221) · Patent DE-1899-123884 (3) · Patent DE-1912-05-04 Otto Albin Budig (3) · Patent BE-1911-05-15 Georges de Bothezat (3) · Patent FR-1908-407090 (2) · Patent FR-1908-405961 (2) · Patent FR-1910-417357 (2) · Patent FR-1909-410140 (2) · Patent GB-1908-28547 (2) · Patent DE-1916-332540 (2) · Patent BE-1907-198483 (2)
Related to aircraft:
Patent agent:
None (136) · Armengaud jeune (11) · None (8) · E. Blétry (5) · Charles Dony (5) · G. de Mestral et F. Harlé (4) · J. Bonnet-Thirion (4) · Munn & Co. (3) · Chassevent (3)
National tech categories:
FR 6.4 (79) · None (69) · DE 77h.6 (19) · AT 77d (16) · HU V/h (16) · DE 77 (6) · DE 77h (5) · DE 77h.5 (4) · FR 6.2 (4) · DE 77h.10 (3) · DK 77 (3) · CH 129b (3) · USPC 244/87 (3) · USPC 244/28 (3)
IPCs:
None (149) · IPC B64C17/00 (16) · IPC B64C39/00 (15) · IPC B64C1/00 (15) · IPC B64C11/16 (9) · IPC B64C11/00 (8) · IPC B64C23/00 (7) · IPC B64B1/00 (7) · IPC B64C3/54 (5) · IPC B64C11/20 (5) · IPC B64C33/02 (5) · IPC B64C35/00 (5) · IPC B64C13/00 (5) · IPC B64B1/58 (4) · IPC B64C3/00 (4) · IPC B64C27/00 (4)
CPCs:
None (75) · CPC B64C17/00 (18) · CPC B64C11/006 (14) · CPC B64B1/00 (14) · CPC B64C23/005 (13) · CPC B64C39/00 (12) · CPC B64C2700/6295 (12) · CPC B64C11/16 (8) · CPC B64C13/00 (8) · CPC B64C11/48 (6) · CPC B64C2700/6218 (6) · CPC B64C11/20 (5) · CPC B64C33/02 (5) · CPC B64C3/00 (5)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:
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