Drilldown: Patents

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Patents > Tech fields : lift or propeller & Patent agent : Marks & Clerk or None

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Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (345)
Granted:
Supplementary to patent:
None (424) · Patent GB-1908-4519 (6) · Patent GB-1909-2111 (3) · Patent DE-1917-305040 (3) · Patent DE-1894-76727 (3) · Patent DE-1899-123884 (3) · Patent GB-1909-12556 (3) · Patent GB-1908-13809 (3)
Related to aircraft:
Patent agent: (Click arrow to add another value)
National tech categories:
None (123) · DE 77h.6 (38) · FR 6.4 (37) · AT 77d (35) · HU V/h (28) · DE 77 (19) · IT 8 (18) · DE 77h.5 (13) · GB 4 propel & steer (11) · DK 77 (10) · USPC 244/51 (9) · DE 77h (9) · BE K (9) · USPC 244/30 (8) · RU Group V (7) · FR 6.3 (6)
IPCs:
None (400) · IPC B64B1/00 (17) · IPC B64C39/00 (14) · IPC B64C11/00 (11) · IPC B64C11/16 (8) · IPC B64C33/00 (8) · IPC B64C17/00 (8) · IPC B64C1/00 (6) · IPC B64C3/00 (6) · IPC B64C3/14 (6) · IPC B64C11/20 (5) · IPC B64C33/02 (4) · IPC B64C11/34 (4) · IPC B64C27/04 (3) · IPC B64B1/62 (3) · IPC B64B1/58 (3) · IPC B64C27/605 (3) · IPC B64C23/00 (3) · IPC B64C29/00 (3)
CPCs:
None (267) · CPC B64B1/00 (31) · CPC B64C11/006 (21) · CPC B64C17/00 (16) · CPC B64C23/005 (11) · CPC B64C2700/6295 (11) · CPC B64C33/02 (8) · CPC B64C33/00 (8) · CPC B64C11/00 (8) · CPC B64C9/00 (8) · CPC B64C3/14 (7) · CPC B64C39/005 (7) · CPC B64C11/48 (7) · CPC B64C39/00 (6) · CPC B63H1/12 (5) · CPC B64C27/12 (5) · CPC B64C29/0025 (5)
First filing:
Citations from after 1930:
Number of diagram pages:

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