Drilldown: Patents

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Patents > Tech fields : navigation or propeller & National tech categories: None

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Full specification filed date:
Application number:
None (340) · 25723218 (2)
Granted:
Supplementary to patent:
None (373) · Patent GB-1909-12556 (4) · Patent US-1909-970771 (4) · Patent AT-1900-12657 (3) · Patent AT-1912-75092 (3) · Patent GB-1913-4191 (2) · Patent FR-1907-377174 (2) ·   (2) · Patent DE-1913-293131 (2) · Patent US-1908-12-14-Lee (2) · Patent FR-1885-168266 (2) · Patent DE-1893-73799 (2) · Patent AU-1909-15563‎ (2) · Patent DE-1907-194165 (2) · Patent DE-1909-Wilcke-Graff (2)
Related to aircraft:
Patent agent:
None (255) · Marks & Clerk (14) · Haseltine, Lake & Co. (14) · Boult, Wade & Tennant (8) · W. P. Thompson & Co. (7) · Herbert Haddan & Co. (7) · None (5) · Wheatley & Mackenzie (4) · Phillipss (4) · Abel & Imray (4) · Jensen & Son (4) · Edward Evans & Co. (4) · W. D. Rowlingson (3) · J. E. Evans-Jackson & Co. (3) · Herbert H. Thompson (3) · Henry Hughes (3) · Alfred Julius Boult (3)
National tech categories: (Click arrow to add another value)
IPCs:
None (380) · IPC B64B1/00 (7) · IPC B64C23/00 (7) · IPC B64B (5) · IPC B64C1/00 (5) · IPC B64C11/20 (5) · IPC B64C11/04 (4) · IPC B64C39/00 (4) · IPC B64C3/52 (4) · IPC B64C27/04 (3) · IPC B64C3/38 (3) · IPC B64C17/06 (3) · IPC B64B1/58 (3) · IPC B64C13/00 (3) · IPC B64C11/16 (3)
CPCs:
None (294) · CPC B64C11/006 (17) · CPC B64B1/00 (14) · CPC B64C11/48 (13) · CPC B64C13/00 (12) · CPC B64C23/005 (11) · CPC B63H1/12 (8) · CPC B64C11/065 (6) · CPC B64C11/04 (6) · CPC B63H1/04 (6) · CPC B64C17/00 (5) · CPC B64B1/58 (5)
First filing:
Citations from after 1930:
Number of diagram pages:

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