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Patents > CPCs : CPC B64C11/006 or CPC B64C11/48 or CPC B64D17/00 (EP)

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None (344) · propulsion (76) · propeller (56) · propellers (35) · marine (28) · Paddle-wheel (22) · Windmill (11) · subsystem (11) · LTA (11) · aerial propeller (10) · Airplane (10) · paddle wheel (10) · churn (8) · marine propeller (8) · aerial propellers (7) · feathering (7)
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None (530) · Patent FR-1909-410848 (2) · Patent AU-1909-16369 (2) · Patent GB-1911-12232 (2) · Patent DE-1912-267069 (2)
Related to aircraft:
Patent agent:
None (388) · Armengaud jeune (10) · None (10) · Munn & Co. (9) · J. Bonnet-Thirion (5) · E. Blétry (4) · Y. Rabilloud et fils (4) · Schwab (3) · L. Chassevent (3) · Lloyd Wise & Co. (3) · Boult, Wade & Tennant (3)
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None (418) · FR 6.4 (68) · FR 6.2 (14) · USPC 416/113 (13) · USPC 416/108 (11) · USPC 416/116 (8) · USPC 416/128 (7) · USPC 416/200R (6) · USPC 416/129 (6) · DE 77h.6 (6) · USPC 244/71 (5) · FR 5.8 (3) · FR 6.3 (3) · DE 77h.8 (2) · USPC 416/202 (2) · USPC 416/109 (2) · USPC 244/65 (2)
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