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Patents > Tech fields : Orthopter or Stability & Number of claims: 3-4

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None (273) · Budapest (9) · Seine-et-Oise (4) · Seine (4) · Nord (3) · England (3) · Hampshire (2) · Lyon (2) · London (2) · Nièvre (2) · Sachsen (2) · Douai (2) · Hérault (2)
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None (203) · Patent BE-1911-05-15 Georges de Bothezat (5) · Patent GB-1909-2111 (4) · Patent DE-1908-232250 (3) · Patent NO-1915-12-15 Carl Alfred Johansson (2) · Patent FR-1910-415470 (2) · Patent FR-1909-408057 (2) · Patent FR-1909-406466 (2) · Patent FR-1912-447782 (2) · Patent FR-1908-401308 (2) · Patent FR-1908-400837 (2) · Patent GB-1914-20119 (2) · Patent HU-1901-24148 (2) · Patent HU-1909-49726 (2) · Patent DE-1909-05-03 Hans Lohmann (2) · Patent FR-1910-428665 (2) · Patent AT-1912-75092 (2) · Patent US-1908-927605 (2) · Patent CA-1909-126457 (2)
Related to aircraft:
Patent agent:
None (78) · Armengaud jeune (17) · None (14) · Marks & Clerk (12) · E. Blétry (8) · Munn & Co. (7) · Haseltine, Lake & Co. (7) · C. A. Snow & Co. (5) · J. Germain (4) · Schwab (4) · Dupont et Elluin (4) · Boult, Wade & Tennant (4)
National tech categories:
FR 6.4 (103) · None (97) · HU V/h (16) · AT 77d (9) · USPC 244/93 (6) · DK 77 (5) · USPC 244/90R (4) · USPC 244/80 (4) · DE 77h.5 (4) · USPC 244/87 (3) · USPC 244/79 (3) · USPC 244/177 (3) · CH 129b (3) · USPC 244/35R (3) · USPC 244/6 (3) · USPC 244/45R (3)
IPCs:
None (127) · IPC B64C17/00 (68) · IPC B64C1/00 (63) · IPC B64C39/00 (21) · IPC B64C17/06 (16) · IPC B64B1/00 (12) · IPC B64C13/00 (10) · IPC B64C3/38 (5) · IPC B64C33/00 (4) · IPC B64B1/40 (4) · IPC B64C9/00 (3) · IPC B64C3/52 (3) · IPC B64C3/14 (3) · IPC B64C9/02 (2) · IPC B64C33/02 (2) · IPC B64C31/06 (2) · IPC B64C23/00 (2) · IPC B64C3/48 (2) · IPC B64C3/00 (2) · CPC B64C17/06 (2)
CPCs:
CPC B64C17/00 (86) · None (60) · CPC B64C2700/6218 (29) · CPC B64C17/06 (20) · CPC B64C39/00 (16) · CPC B64C13/00 (14) · CPC B64C2700/6212 (13) · CPC B64C2700/6295 (13) · CPC B64C2700/6216 (12) · CPC B64B1/00 (11) · CPC B64C3/385 (10) · CPC B64C2700/6214 (10) · CPC B64C1/00 (9) · CPC B64C2700/6256 (8) · CPC B64C23/005 (7) · CPC B64C39/005 (7) · CPC B64C3/14 (6)
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