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Patents > Patent agent : Weismann et Marx or None & CPCs : CPC B64B1/00 or CPC B64C2700/6259

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LTA (169) · None (122) · propulsion (53) · navigation (45) · frame (44) · balloon (37) · propeller (28) · dirigible (22) · car (20) · airship (19) · safety (18) · design (17) · stability (16) · hybrid (16) · airplane (14) · rudder (13) · compartments (11) · rigid (10) · control (9) · landing (9)
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None (108) · FR 6.4 (68) · USPC 244/30 (36) · FR 6.3 (21) · USPC 244/26 (15) · DE 77 (14) · DE 77h.2 (12) · USPC 244/25 (10) · USPC 244/28 (9) · USPC 24/713.8 (7) · USPC 244/125 (7) · USPC 244/29 (5) · USPC 244/99 (5) · USPC 244/127 (4) · DE 77h (4) · USPC 244/67 (4) · USPC 244/93 (3) · USPC 244/96 (3) · USPC 244/128 (3) · USPC 244/97 (3)
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