Drilldown: Patents

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Patents > Tech fields : Design or Safety & Number of figures: 4-6

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None (428) · Seine (8) · Paris (4) · Budapest (4) · Aisne (3) · Eure-et-Loir (3) · England (3)
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None (304) · Patent DE-1910-06-18 Carl Hanschke (4) · Patent DE-1909-220044 (4) · Patent SE-1906-23283 (4) · Patent FR-1912-450892 (4) · Patent DE-1912-279343 (3) · Patent NZ-1909-26981 (3) · Patent DE-1898-126955 (3) · Patent FR-1913-450892.17436 (3) · Patent FR-1909-401348 (3)
Related to aircraft:
Patent agent:
None (165) · Armengaud jeune (33) · None (17) · L. Chassevent (9) · Marks & Clerk (8) · C. Blétry (6) · Charles Dony (6) · Boult, Wade & Tennant (5) · E. Blétry (5) · G. de Mestral et F. Harlé (5) · H. Bœttcher fils (5) · Hippolyte Josse (5) · J. Bonnet-Thirion (5) · J. Germain (5) · Munn & Co. (5) · Paul Caquet (5) · Victor J. Evans (5) · Weismann et Marx (5) · Brandon frères (5)
National tech categories:
FR 6.4 (194) · None (102) · HU V/h (46) · DE 77h.5 (16) · AT 77d (15) · FR 6.2 (8) · USPC 244/45R (5) · USPC 244/90R (4) · DK 77 (4) · USPC 244/144 (4) · FR 6.1 (3) · USPC 244/65 (3) · USPC 244/139 (3) · DE 77 (3) · DE 77h (3) · DE 77h.9 (3)
IPCs:
None (180) · IPC B64C39/00 (48) · IPC B64C17/00 (35) · IPC B64C1/00 (33) · IPC B64B1/00 (19) · IPC B64C3/00 (11) · IPC B64C23/00 (10) · IPC B64C25/00 (8) · IPC B64C11/00 (7) · IPC B64C35/00 (7) · IPC B64C33/02 (7) · IPC B64C13/00 (7) · IPC B64C3/56 (7) · IPC B64C11/16 (6) · IPC B64C3/38 (6) · IPC B64C3/54 (6) · IPC B64B1/58 (5) · IPC B64D17/00 (5) · IPC B64C27/04 (5)
CPCs:
None (106) · CPC B64C17/00 (41) · CPC B64C39/00 (39) · CPC B64C2700/6295 (26) · CPC B64B1/00 (24) · CPC B64C13/00 (17) · CPC B64C2700/6218 (13) · CPC B64C23/005 (13) · CPC B64C3/00 (12) · CPC B64C35/00 (10) · CPC B64C33/02 (9) · CPC B64C39/08 (8) · CPC B64B1/40 (8) · CPC B64C3/385 (8) · CPC B64C11/16 (7)
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Cites these patents:
Citations from after 1930:
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