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Patents > Tech fields : Stability or tractor & Number of figures: 3-4

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None (312) · Budapest (9) · Seine (5) · Seine-et-Oise (5) · Sachsen (4) · Hérault (4) · Nord (3) · Birmingham (2) · Versailles (2) · New York county (2) · Nièvre (2) · New York (2) · Bouches-du-Rhône (2)
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None (243) · Patent BE-1911-05-15 Georges de Bothezat (5) · Patent NO-1915-12-15 Carl Alfred Johansson (5) · Patent US-1908-927605 (4) · Patent HU-1909-49726 (4) · Patent FR-1912-447782 (3) · Patent AT-1913-66955 (3) · Patent FR-1909-399456 (3) · Patent DE-1912-06-24 Julius Pompe (3) · Patent DE-1912-05-04 Otto Albin Budig (3) · Patent DE-1908-232250 (3) · Patent US-1903-821393 (3)
Related to aircraft:
Patent agent:
None (109) · None (21) · Armengaud jeune (14) · Munn & Co. (8) · Marks & Clerk (7) · Victor J. Evans (6) · E. Blétry (6) · Charles Dony (5) · Haseltine, Lake & Co. (4) · Société A. Frey et de Carsalade (4) · Schwab (4) · Abel & Imray (4) · L. Chassevent (4)
National tech categories:
FR 6.4 (144) · None (72) · HU V/h (18) · AT 77d (15) · DE 77h.5 (11) · USPC 244/80 (8) · CH 129b (6) · USPC 244/93 (5) · USPC 244/48 (5) · USPC 244/90R (4) · FR 6.3 (4) · USPC 244/79 (3) · RU Group V (3) · USPC 244/16 (3) · USPC 244/45R (3) · USPC 244/225 (3) · USPC 244/13 (3) · USPC 244/78.1 (3) · DK 77 (3)
IPCs:
None (145) · IPC B64C17/00 (101) · IPC B64C1/00 (77) · IPC B64C39/00 (18) · IPC B64C13/00 (12) · IPC B64B1/00 (11) · IPC B64C17/06 (8) · IPC B64C9/00 (4) · IPC B64C27/04 (4) · IPC B64C3/54 (3) · IPC B64C33/02 (3) · IPC B64C17/04 (3) · IPC B64C31/06 (3) · IPC B64C23/00 (3)
CPCs:
CPC B64C17/00 (122) · None (69) · CPC B64C2700/6218 (38) · CPC B64C13/00 (26) · CPC B64C2700/6212 (18) · CPC B64C2700/6214 (15) · CPC B64B1/00 (14) · CPC B64C2700/6295 (14) · CPC B64C39/00 (13) · CPC B64C17/06 (12) · CPC B64C2700/6219 (10) · CPC B64C1/00 (9) · CPC B64C2700/6256 (9) · CPC B64C3/385 (7) · CPC B64C2700/6216 (7) · CPC B64C39/005 (5)
First filing:
Citations from after 1930:
Number of text pages:
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