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Patents > Tech fields : Stability or landing & Number of text pages: 3

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None (391) · Loire (5) · Budapest (4) · Seine-et-Oise (3) · England (3) · Nord (3) · Seine (3) · La Ricamarie (2) · Geneva (2) · Lyon (2) · NJ (2) · County of London (2) · Meudon (2) · Orne (2) · Birmingham (2)
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None (287) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent FR-1909-403985‎ (3) · Patent FR-1912-447782 (3) · Patent DE-1908-232250 (3)
Related to aircraft:
Patent agent:
None (95) · Armengaud jeune (24) · None (14) · Marks & Clerk (11) · E. Blétry (8) · Munn & Co. (8) · Boult, Wade & Tennant (7) · Lavoix et Mosès (7) · Victor J. Evans (7) · J. Germain (6) · Haseltine, Lake & Co. (6) · Abel & Imray (5) · C. A. Snow & Co. (5) · Wheatley & Mackenzie (5) · J. Bonnet-Thirion (5) · Johnsons & Willcox (5)
National tech categories:
FR 6.4 (167) · None (116) · USPC 244/80 (12) · HU V/h (11) · USPC 244/90R (10) · FR 6.3 (7) · USPC 244/45R (6) · CH 129b (6) · AT 77d (5) · USPC 244/6 (5) · DE 77h.5 (5) · USPC 244/46 (4) · USPC 244/87 (4) · USPC 244/177 (4) · USPC 244/78.1 (4) · USPC 244/66 (4) · USPC 244/35R (4) · USPC 244/93 (4) · USPC 244/48 (4)
IPCs:
None (152) · IPC B64C17/00 (107) · IPC B64C1/00 (78) · IPC B64C39/00 (20) · IPC B64C25/00 (16) · IPC B64C17/06 (16) · IPC B64C13/00 (10) · IPC B64C35/00 (9) · IPC B64B1/00 (7) · IPC B64C23/00 (7) · IPC B64C9/00 (5) · IPC B64C3/00 (5) · IPC B64C33/02 (5) · IPC B64C3/38 (4) · IPC B64C33/00 (4) · IPC B64C3/56 (3) · IPC B64B1/40 (3) · IPC B64C3/14 (3) · IPC B64F1/14 (3)
CPCs:
CPC B64C17/00 (127) · None (55) · CPC B64C2700/6218 (37) · CPC B64C13/00 (23) · CPC B64C2700/6212 (22) · CPC B64C2700/6214 (21) · CPC B64C17/06 (17) · CPC B64C2700/6295 (17) · CPC B64F2700/6226 (15) · CPC B64C23/005 (13) · CPC B64C2700/6216 (13) · CPC B64C39/00 (12) · CPC B64B1/00 (11) · CPC B64C1/00 (11) · CPC B64C25/06 (11) · CPC B64C3/385 (10) · CPC B64C2700/6219 (9) · CPC B64C35/00 (9) · CPC B64C2700/6256 (8) · CPC B64C25/62 (8)
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