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Patents > IPCs : IPC B64B1/40 or IPC B64C39/00 & First filing : No or Other

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Tech fields:
airplane (173) · Design (116) · None (84) · propulsion (83) · frame (78) · stability (74) · LTA (73) · construction (66) · wings (59) · propellers (58) · Aerodynamics (47) · control (43) · navigation (42) · lift (39) · Whole (34) · rudder (27) · sustentation (26) · fuselage (25) · aeroplane (22) · airship (21)
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None (368) · Patent FR-1916-502839 (4) · Patent US-1908-927605 (2) · Patent FR-1909-421311 (2) · Patent FR-1909-403418 (2) · Patent FR-1909-395148 (2) · Patent FR-1912-441089 (2) · Patent FR-1908-396470 (2) · Patent FR-1913-461629 (2) · Patent FR-1908-394418 (2) · Patent FR-1917-502839.21604 (2) · Patent FR-1902-326476 (2) · Patent GB-1908-4519 (2) · Patent FR-1910-421136 (2) · Patent GB-1914-20119 (2) · Patent NZ-1909-26981 (2) · Patent FR-1910-414004 (2) · Patent US-1911-1003530 (2) · Patent US-1911-994106 (2) · Patent US-1910-993987 (2)
Related to aircraft:
Patent agent:
None (128) · Armengaud jeune (25) · None (25) · Marks & Clerk (16) · J. Bonnet-Thirion (12) · J. Germain (10) · E. Bletry (10) · Weismann et Marx (9) · Munn & Co. (8) · Boramé et Julien (7) · Lavoix et Mosès (7) · Dupont et Elluin (7) · Chassevent (7) · Boult, Wade & Tennant (6) · L. Chassevent (6) · G. de Mestral et F. Harle (6) · Charles Assi (6) · Y. Rabilloud et fils (6)
National tech categories:
FR 6.4 (287) · None (135) · FR 6.3 (18) · USPC 244/45R (14) · USPC 244/13 (11) · USPC 244/70 (6) · USPC 244/127 (6) · DE 77h.5 (6) · FR 6.2 (4) · USPC 244/9 (4) · USPC 244/20 (4) · USPC 244/27 (4) · DE 77h.11 (4) · DE 77 (4) · DE 77h (4) · USPC 244/119 (3) · USPC 244/19 (3) · USPC 244/96 (3)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (287) · CPC B64C2700/6295 (277) · CPC B64B1/40 (64) · CPC B64C39/005 (61) · CPC B64C39/08 (41) · CPC B64C39/008 (26) · CPC B64C39/003 (17) · CPC B64C39/006 (12) · None (5) · CPC B64C39/062 (4) · CPC B64C3/385 (3) · CPC B64C39/06 (3)
First filing: (Click arrow to add another value)
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