Drilldown: Patents

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Patents > Office : DE or GB or LU or NL or None & Applicant firm: None & Tech fields : subsystem or None & National tech categories : FR 5 or GB 4 motors or USPC 244/45R or None

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Office: (Click arrow to add another value)
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Granted:
Supplementary to patent:
None (2248) · Patent GB-1909-8531 (4) ·   (3) · Patent FR-1907-377174 (2) · Patent FR-1909-399456 (2) · Patent GB-1908-21445 (2)
Related to aircraft:
Patent agent:
None (2073) · Marks & Clerk (25) · Haseltine, Lake & Co. (13) · Abel & Imray (12) · Boult, Wade & Tennant (12) · None (11) · Brewer & Son (8) · Lloyd Wise & Co. (7) · Hyde & Heide (6) · Herbert Haddan & Co. (5) · Gedge & Feeny (5) · Wheatley & Mackenzie (5) · J. S. Withers (5) · Chatwin, Herschell & Co. (5) · Carpmaels, Radford & Newton (5)
Assigned to:
National tech categories: (Click arrow to add another value)
IPCs:
None (2095) · IPC B64C39/00 (32) · IPC B64C17/00 (31) · IPC B64C1/00 (25) · IPC B64C3/00 (16) · IPC B64C3/38 (13) · IPC B64C13/00 (11) · IPC B64C3/54 (9) · IPC B64C23/00 (8) · IPC B64C11/00 (7) · IPC B64C3/18 (7) · IPC B64C35/00 (7) · IPC B64C33/02 (5) · IPC B64C27/04 (5) · IPC B62C5/04 (4) · IPC B64C25/00 (4) · IPC B64C3/56 (4) · CPC B64C17/00 (4) · IPC B64C1/06 (4) · IPC B64D27/00 (4)
First filing:
Citations from after 1930:
Number of diagram pages:

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