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Patents > Patent agent : Marks & Clerk or None & Assigned to: None

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Tech fields:
airplane (84) · Stability (68) · None (52) · LTA (51) · frame (43) · propulsion (41) · wings (34) · propellers (34) · design (33) · construction (33) · control (31) · navigation (30) · Subsystem (20) · balloon (17) · automatic stability (17) · Steering (16) · metal (15) · landing (15) · hybrid (15)
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Supplementary to patent:
None (307) · Patent FR-1916-501550 (8) · Patent FR-1912-446040 (4) · Patent FR-1908-394418 (3) · Patent FR-1915-478440 (3) · Patent FR-1905-356644 (2) · Patent GB-1903-27212 (2) · Patent AU-1911-510 (2) · Patent FR-1913-466195 (2) · Patent FR-1908-397675 (2) · Patent FR-1907-385107 (2) · Patent GB-1908-21445 (2) · Patent FR-1911-431131 (2)
Related to aircraft:
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National tech categories:
None (223) · FR 6.4 (144) · FR 12.2 (10) · FR 6.3 (9) · FR 20.1 (6) · FR 5.8 (6) · FR 6.2 (5) · GB 4 propel & steer (2) · USPC 244/153R (2) · USPC 244/234 (2) · USPC 244/3.23 (2) · USPC 244/45R (2) · GB 4 without buoyant (2) · GB 4 steering (2) · GB 4 aëroplanes (2)
IPCs:
None (75) · IPC B64C39/00 (39) · IPC B64C17/00 (39) · IPC B64C1/00 (32) · IPC B64B1/00 (19) · IPC B64C3/00 (19) · IPC B64B1/58 (13) · IPC B64C33/02 (12) · IPC B64C23/00 (12) · IPC B64C27/04 (11) · IPC B64C11/00 (11) · IPC G01S1/72 (10) · IPC B64C3/38 (10) · IPC B64C3/18 (9) · IPC B64C25/00 (9) · IPC B64C13/00 (9) · IPC B64C35/00 (8) · IPC B64D17/00 (6) · IPC B64C1/06 (6)
CPCs:
CPC B64C17/00 (42) · None (34) · CPC B64C39/00 (26) · CPC B64B1/00 (23) · CPC B64C2700/6295 (23) · CPC B64C3/00 (19) · CPC B64C2700/6218 (16) · CPC B64C33/02 (13) · CPC B64B1/58 (13) · CPC B64C23/005 (13) · CPC B64C13/00 (12) · CPC B64C2700/6256 (11) · CPC B64C3/385 (10) · CPC G01S1/72 (10) · CPC B64C27/04 (9) · CPC B64C2700/6281 (9) · CPC B64C39/08 (9)
First filing:
Citations from after 1930:
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