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Patents > Patent agent : Boult, Wade & Tennant or Marks & Clerk or None & First filing: Yes

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Tech fields:
airplane (56) · None (52) · stability (48) · LTA (43) · construction (32) · frame (31) · propulsion (30) · wings (29) · propellers (27) · control (25) · navigation (25) · design (23) · balloon (15) · automatic stability (13) · steering (12) · helicopter (11) · propeller (11) · subsystem (11) · metal (11)
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Supplementary to patent:
None (325) · Patent FR-1912-446040 (2)
Related to aircraft:
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National tech categories:
None (214) · FR 6.4 (110) · FR 6.3 (6) · FR 20.1 (3) · FR 5.8 (3) · FR 6.2 (3) · GB 4 propel & steer (2) · USPC 244/3.23 (2) · USPC 244/234 (2) · USPC 244/153R (2) · GB 4 without buoyant (2) · USPC 24/713.8 (2) · GB 4 aërostats (2) · GB 4 aëroplanes (2)
IPCs:
None (64) · IPC B64C39/00 (32) · IPC B64C17/00 (32) · IPC B64C1/00 (32) · IPC B64B1/00 (20) · IPC B64C3/00 (18) · IPC B64C11/00 (14) · IPC B64C13/00 (13) · IPC B64B1/58 (12) · IPC B64C35/00 (11) · IPC B64C23/00 (10) · IPC B64C3/18 (10) · IPC B64C33/02 (9) · IPC B64C27/04 (8) · IPC B64C3/38 (8) · IPC B64C25/00 (6) · IPC B64C31/06 (5) · IPC B64C3/54 (5) · IPC B64D17/00 (5) · IPC B64C11/30 (4)
CPCs:
CPC B64C17/00 (33) · CPC B64B1/00 (23) · None (22) · CPC B64C2700/6295 (21) · CPC B64C39/00 (20) · CPC B64C3/00 (18) · CPC B64C13/00 (16) · CPC B64C2700/6218 (16) · CPC B64C2700/6256 (15) · CPC B64B1/58 (12) · CPC B64C11/006 (11) · CPC B64C35/00 (10) · CPC B64C33/02 (10) · CPC B64C23/005 (10) · CPC B64C2700/6233 (8) · CPC B64C2700/6235 (8) · CPC B64C3/185 (8) · CPC B64C39/08 (8)
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