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Patents > Tech fields: Stability & Number of claims: 1-2

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None (270) · Patent NO-1915-12-15 Carl Alfred Johansson (7) · Patent FR-1909-399456 (6) · Patent AT-1913-66955 (3) · Patent BE-1911-11-17 (3) · Patent FR-1911-446282 (3)
Related to aircraft:
Patent agent:
None (127) · Armengaud jeune (27) · None (23) · E. Blétry (11) · J. Germain (11) · J. Bonnet-Thirion (10) · Lavoix et Mosès (8) · J. Fayollet (6) · Herbert Haddan & Co. (6) · Ad. Sturm (5) · C. Baumann (5) · Hippolyte Josse (5) · de Bongé (4) · Abel & Imray (4) · L. Chassevent (4) · H. Boettcher fils (4) · G. Petiau (4)
National tech categories:
FR 6.4 (260) · None (57) · HU V/h (20) · AT 77d (14) · CH 129b (8) · DE 77 (7) · FR 6.3 (6) · USPC 244/80 (5) · DE 77h.5 (5) · RU Group V (4) · USPC 244/79 (4) · USPC 244/3.27 (3) · USPC 244/3.3 (3) · USPC 244/35R (3) · USPC 74/5.22 (3) · USPC 244/48 (3)
IPCs:
IPC B64C17/00 (180) · IPC B64C1/00 (135) · None (99) · IPC B64C17/06 (16) · IPC B64C39/00 (13) · IPC B64C13/00 (13) · IPC B64C3/38 (9) · IPC B64B1/00 (9) · IPC B64B1/58 (6) · IPC B64C23/00 (6) · IPC B64B1/40 (6) · IPC B64C3/54 (5) · IPC B64C13/04 (4) · IPC F42B10/00 (4) · IPC B64C3/14 (3) · IPC B64C31/06 (3) · IPC B64C33/00 (3) · CPC B64C17/00 (3) · IPC B64C3/00 (3)
CPCs:
CPC B64C17/00 (190) · CPC B64C2700/6218 (84) · None (66) · CPC B64C2700/6212 (43) · CPC B64C13/00 (25) · CPC B64C2700/6214 (19) · CPC B64C17/06 (19) · CPC B64C2700/6219 (17) · CPC B64C2700/6216 (15) · CPC B64C1/00 (14) · CPC B64C2700/6256 (14) · CPC B64C2700/6295 (11) · CPC B64C3/385 (10) · CPC B64B1/00 (10) · CPC B64C39/00 (8) · CPC B64C23/005 (6) · CPC B64C2700/6228 (6) · CPC B64B1/58 (6) · CPC B64B1/40 (6) · CPC B64C2700/6215 (6)
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