Drilldown: Patents

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Patents > National tech categories: None & CPCs : CPC B64C33/02 or CPC B64C35/00 or CPC B64C39/00 & Cites these patents : 1 or Patent GB-1909-25116 or USPC 244/48 or None

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Tech fields:
None (424) · Airplane (43) · design (31) · frame (29) · wings (22) · stability (20) · hydroaeroplane (19) · construction (16) · propulsion (16) · hydroplane (15) · marine (14) · hybrid (13) · whole (12) · ornithopter (11) · flapping (10) · lift (9) · biplane (9) · aerodynamics (9) · propellers (8) · control (8)
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Supplementary to patent:
None (506) · Patent FR-1916-493411 (2) · Patent FR-1916-502839 (2) · Patent US-1913-1094989 (2)
Related to aircraft:
Patent agent:
None (415) · Marks & Clerk (17) · Boult, Wade & Tennant (14) · Haseltine, Lake & Co. (7) · Brewer & Son (6) · John P. Tarbox (6) · Edward Evans & Co. (6) · Abel & Imray (5) · W. P. Thompson & Co. (5) · Hyde & Heide (5) · Herbert Haddan & Co. (5) · J. S. Withers & Spooner (4) · None (3) · Boult, Wade, and Tennant (3)
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