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Patents > IPCs : IPC B64B1/00 or IPC B64C3/38 & First filing: Yes

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Tech fields:
LTA (224) · frame (59) · navigation (57) · airplane (56) · None (51) · balloon (50) · propulsion (49) · airship (34) · design (33) · stability (30) · dirigible (30) · control (25) · construction (24) · car (24) · hybrid (24) · wings (20) · safety (20) · propeller (19) · Dirigibles (16)
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Supplementary to patent:
None (339) · Patent FR-1913-472867 (3) · Patent US-1913-1087946 (2) · Patent BE-1912-07-11 Maiche et Legras (2) · Patent FR-1914-472867.19895 (2)
Related to aircraft:
Patent agent:
None (126) · None (23) · Munn & Co. (11) · Haseltine, Lake & Co. (10) · Borame et Julien (10) · Armengaud jeune (6) · Marks & Clerk (5) · E. Blétry (5) · J. Bonnet-Thirion (5) · Boult, Wade & Tennant (5) · Hippolyte Josse (4) · Lavoix et Mosès (4) · Chassevent (4) · G. Petiau (3) · Brewer & Son (3) · Brandon frères (3) · Dom. Casalonga (3) · Wheatley & Mackenzie (3)
National tech categories:
FR 6.4 (127) · None (88) · USPC 244/30 (32) · FR 6.3 (20) · USPC 244/26 (16) · USPC 244/25 (13) · DE 77h.2 (8) · USPC 244/29 (7) · USPC 244/48 (7) · USPC 244/67 (7) · USPC 244/125 (7) · USPC 244/97 (7) · USPC 244/32 (6) · USPC 244/127 (6) · DE 77h (6) · USPC 244/96 (5) · USPC 24/713.8 (5) · USPC 244/99 (5) · DE 77h.5 (5)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64B1/00 (238) · CPC B64C3/385 (95) · CPC B64B1/40 (17) · CPC B64C3/38 (15) · CPC B64B1/58 (8) · None (7) · CPC Y10T24/3747 (5) · CPC B64B1/005 (4) · CPC B64B1/62 (4) · CPC Y02T50/145 (4) · CPC B64C2700/6242 (3) · CPC Y02T50/10 (2) · CPC B64B1/06 (2) · CPC B64B1/50 (2) · CPC B64B1/60 (2) · CPC B61B5/02 (2) · CPC B64C17/00 (2)
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