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Patents > Filing date: 1909 & National tech categories : USPC 244/82 or None

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Tech fields:
None (269) · airplane (73) · stability (49) · LTA (46) · design (44) · frame (44) · propellers (36) · propulsion (34) · control (28) · navigation (27) · propeller (24) · Whole (23) · subsystem (22) · balloon (22) · construction (20) · wings (20) · rudder (19) · lift (18) · Aerodynamics (18) · automatic stability (16)
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Supplementary to patent:
None (456) · Patent GB-1908-4519 (4) · Patent US-1909-970771 (3) · Patent FR-1908-407411 (2) · Patent US-1908-12-14-Lee (2) · Patent GB-1903-27212 (2) · Patent GB-1908-21754 (2) · Patent FR-1907-382895 (2) · Patent GB-1909-2111 (2) · Patent GB-1909-8531 (2) · Patent US-1908-1077750 (2) · Patent US-1908-1081147 (2) · Patent GB-1909-47 (2) · Patent AU-1909-15563 (2)
Related to aircraft:
Patent agent:
None (314) · Marks & Clerk (30) · Boult, Wade & Tennant (15) · Haseltine, Lake & Co. (12) · None (11) · Abel & Imray (10) · Herbert Haddan & Co. (10) · G. F. Redfern & Co. (7) · Wheatley & Mackenzie (6) · Stephen Watkins, Son & Groves (5) · W. H. Beck & Co. (5) · Clement Lean (4) · Edward Evans & Co. (4) · J. Owden O'Brien (4) · Cassell & Co. (4) · Chatwin, Herschell & Co. (3) · Cruikshank & Fairweather, Limited (3) · Munn & Co. (3) · Lloyd Wise & Co. (3) · Edwards & Co. (3)
National tech categories: (Click arrow to add another value)
IPCs:
None (310) · IPC B64C39/00 (29) · IPC B64C17/00 (28) · IPC B64C1/00 (24) · IPC B64C3/38 (18) · IPC B64C13/00 (13) · IPC B64C23/00 (11) · IPC B64C11/00 (10) · IPC B64B1/00 (10) · IPC B64C25/00 (7) · IPC B64B1/58 (7) · IPC B63H1/12 (7) · IPC B64C33/02 (7) · IPC B64C3/54 (6) · IPC B64C33/00 (5) · IPC B64B1/62 (5) · IPC B64C27/04 (5) · IPC B64C35/00 (5)
CPCs:
None (94) · CPC B64C39/00 (43) · CPC B64C2700/6295 (43) · CPC B64C17/00 (32) · CPC B64C3/385 (30) · CPC B64C11/006 (26) · CPC B64C23/005 (22) · CPC B64C13/00 (19) · CPC B64B1/58 (16) · CPC B64C2700/6274 (16) · CPC B64B1/00 (16) · CPC B64C2700/6218 (14) · CPC B64C33/02 (14) · CPC B64C33/00 (14) · CPC B64C2700/6256 (13) · CPC B64C39/005 (11) · CPC B64C2700/6281 (10) · CPC B64C2700/6212 (9)
First filing:
Cites these patents:
None (551)
Citations from after 1930:
Number of diagram pages:

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