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Patents > CPCs : CPC B64B1/40 or CPC B64C13/02 or CPC B64C2700/6218

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None (199) · stability (116) · LTA (94) · airplane (68) · balloon (45) · automatic stability (31) · frame (26) · navigation (21) · design (20) · control (18) · aerodynamics (17) · rudder (16) · equilibrium (15) · safety (14) · Construction (12) · car (12) · wings (12) · airship (12) · parachute (11)
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None (325) · Patent DE-1911-11-16 Otto Albin Budig (3)
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Patent agent:
None (181) · Armengaud jeune (14) · None (13) · Marks & Clerk (9) · Munn & Co. (6) · Lavoix et Mosès (6) · E. Blétry (6) · Weismann et Marx (6) · Schwab (6) · J. Bonnet-Thirion et Breton (5) · Paul Coulomb (5) · J. Bonnet-Thirion (5) · J. Fayollet (5) · Charles Dony (5) · Hippolyte Josse (5) · Herbert Haddan & Co. (4) · P. Follin (4) · Boult, Wade & Tennant (4) · C. Baumann (4) · Brandon freres (4)
National tech categories:
None (174) · FR 6.4 (168) · USPC 244/127 (17) · USPC 244/32 (13) · USPC 244/96 (12) · FR 6.3 (10) · USPC 244/33 (10) · DE 77 (9) · USPC 244/31 (8) · DE 77h (6) · USPC 244/99 (5) · USPC 74/469 (5) · DE 77h.5 (3) · USPC 244/97 (2) · USPC 244/128 (2) · USPC 244/115 (2) · USPC 244/94 (2) · USPC 104/22 (2) · USPC 74/5R (2)
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