Drilldown: Patents

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Patents > Applicant firm: None & Tech fields: propulsion & Number of text pages: 3-20

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Application number:
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Supplementary to patent:
None (352) · Patent GB-1911-12232‎‎ (6) · Patent FR-1908-404631 (4) · Patent CH-1907-41855 (3) · Patent GB-1911-5162 (3) · Patent CH-1912-62201 (3) · Patent US-1906-850616 (3)
Related to aircraft:
Patent agent:
None (142) · Munn & Co. (18) · Boult, Wade & Tennant (11) · Brandon frères (7) · Wheatley & Mackenzie (6) · Marks & Clerk (6) · None (6) · Abel & Imray (6) · Armengaud jeune (6) · E. Blétry (5) · W. P. Thompson & Co. (5) · Haseltine, Lake & Co. (5) · Charles Dony (4) · Michael J. Stark & Sons (4) · Schwab (4) · Weismann et Marx (4) · Lavoix et Mosès (4)
National tech categories:
None (157) · FR 6.4 (71) · HU V/h (19) · FR 6.2 (14) · GB 4 propel & steer (12) · FR 6.3 (11) · AU 90.3 (8) · USPC 244/30 (8) · USPC 244/22 (8) · USPC 244/51 (7) · USPC 244/28 (7) · DE 77 (6) · FR 5.8 (6) · AT 77d (6) · CH 115 (6) · USPC 244/20 (6) · USPC 244/23R (6)
IPCs:
None (280) · IPC B64C39/00 (30) · IPC B64C11/00 (21) · IPC B64B1/00 (15) · IPC B64C33/02 (13) · IPC B64C23/00 (12) · IPC B64C33/00 (11) · IPC B64C27/04 (7) · IPC B64C29/00 (5) · IPC B64C11/16 (5) · IPC B64C3/38 (5) · IPC B64D27/00 (5) · IPC B64C3/56 (4) · IPC B64C11/30 (4) · IPC B63H1/12 (4) · IPC B64D35/08 (4) · IPC B64C27/00 (4)
CPCs:
None (148) · CPC B64B1/00 (43) · CPC B64C23/005 (25) · CPC B64C11/006 (25) · CPC B64C39/005 (24) · CPC B64C33/02 (24) · CPC B64C39/00 (10) · CPC B64C33/00 (10) · CPC B64C2700/6295 (8) · CPC B64C29/0025 (7) · CPC B64C3/385 (7) · CPC B64C39/008 (7) · CPC B64C9/00 (6) · CPC B64C11/16 (6) · CPC B64C2700/6274 (5) · CPC B63H11/12 (5) · CPC B64C27/04 (5) · CPC B64C2700/6281 (5) · CPC B64D27/00 (5)
First filing:
Citations from after 1930:
Number of text pages:
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