Drilldown: Patents

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

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None (270) · Vaucluse (4) · Seine (4) · Budapest (3) · Nord (3) · Allegheny county, Pennsylvania (2) · New York (2) · Los Angeles (2) · PA (2) · Panama Canal Zone (2) · Pittsburgh (2) · Eure (2) · Mexico City (2) · Brooklyn (2) · West Virginia (2) · Yorkshire (2) · Balboa (2) · Berlin (2) · St. Louis (2)
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None (131)
Granted:
Supplementary to patent:
None (243) · 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-1910-417357 (2) · Patent FR-1908-407090 (2) · Patent FR-1908-405961 (2) · Patent DE-1916-332540 (2) · Patent GB-1908-28547 (2) · Patent FR-1909-410140 (2) · Patent BE-1907-198483 (2) · Patent US-1915-1217790 (2) · Patent US-1914-1153143 (2)
Related to aircraft:
Patent agent:
None (136) · Armengaud jeune (10) · None (10) · Munn & Co. (5) · E. Blétry (5) · Charles Dony (5) · J. Bonnet-Thirion (5) · G. de Mestral et F. Harlé (4) · Chassevent (3)
National tech categories:
None (89) · FR 6.4 (80) · DE 77h.6 (22) · HU V/h (16) · AT 77d (14) · DE 77 (6) · FR 6.2 (6) · DE 77h (5) · DE 77h.5 (5) · USPC 244/28 (3) · USPC 244/45R (3) · CH 129b (3) · USPC 244/87 (3) · DK 77 (3)
IPCs:
None (165) · IPC B64C17/00 (16) · IPC B64C1/00 (15) · IPC B64C39/00 (15) · IPC B64C11/16 (11) · IPC B64C11/00 (10) · IPC B64B1/00 (7) · IPC B64C23/00 (7) · IPC B64C13/00 (5) · IPC B64C11/34 (5) · IPC B64C11/20 (5) · IPC B64C11/04 (5) · IPC B64C3/00 (5) · IPC B64C3/54 (5) · IPC B64C35/00 (5) · IPC B64C33/02 (5) · IPC B64C9/00 (4) · IPC B64B1/58 (4)
CPCs:
None (74) · CPC B64C17/00 (18) · CPC B64C11/006 (14) · CPC B64B1/00 (14) · CPC B64C23/005 (13) · CPC B64C11/16 (11) · CPC B64C39/00 (11) · CPC B64C2700/6295 (10) · CPC B64C13/00 (8) · CPC B64C3/00 (6) · CPC B64C11/48 (6) · CPC B64C11/04 (6) · CPC B64C2700/6218 (6) · CPC B64C11/343 (6) · CPC B64C11/36 (6) · CPC B64C33/02 (6) · CPC B64C11/20 (5) · CPC B64C11/065 (5)
First filing:
Citations from after 1930:
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