Drilldown: Patents

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Patents > Tech fields : lift or wings & Patent agent : Weismann et Marx or None

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Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (220)
Granted:
Supplementary to patent:
None (287) · Patent GB-1908-4519 (6) · Patent US-1909-970771 (5) · Patent SE-1906-23283 (5) · Patent GB-1911-12232 (4) · Patent BE-1910-230887 (3) · Patent US-1913-04-21 George Raymond Lawrence (3) · Patent FR-1909-403985 (3) · Patent CH-1912-62201 (3) · Patent GB-1909-2111 (3)
Related to aircraft:
Patent agent: (Click arrow to add another value)
National tech categories:
HU V/h (71) · None (70) · FR 6.4 (68) · AT 77d (46) · DE 77h.5 (33) · BE K (16) · IT 8 (13) · DK 77 (12) · DE 77h.7 (10) · DE 77h (8) · FR 6.3 (8) · RU Group V (5) · USPC 244/90R (4) · DE 77 (3) · GB 4 (3) · DE 77h.10 (3) · GB 4 without buoyant (3) · USPC 244/80 (3)
IPCs:
None (282) · IPC B64C3/00 (18) · IPC B64C17/00 (17) · IPC B64C1/00 (15) · IPC B64C39/00 (14) · IPC B64C33/02 (9) · IPC B64B1/00 (8) · IPC B64C33/00 (7) · IPC B64C23/00 (7) · IPC B64C13/00 (6) · IPC B64C3/56 (6) · IPC B64C3/38 (6) · IPC B64C3/14 (5) · IPC B64C11/00 (5) · IPC B64C3/54 (4) · IPC B64C3/48 (4) · IPC B64C1/26 (4)
CPCs:
None (236) · CPC B64C17/00 (22) · CPC B64C3/00 (18) · CPC B64C13/00 (14) · CPC B64C33/02 (14) · CPC B64C33/00 (10) · CPC B64C39/00 (10) · CPC B64B1/00 (9) · CPC B64C2700/6233 (9) · CPC B64C23/005 (8) · CPC B64C2700/6218 (7) · CPC B64C3/56 (7) · CPC B64C3/14 (7) · CPC B64C2700/6295 (6) · CPC B64C3/48 (5) · CPC B64C3/385 (5)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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