Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Tech fields: stability & Number of claims: 2-4

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None (329) · Budapest (9) · Seine (8) · Nord (5) · England (5) · Seine-et-Oise (4) · Hérault (3) · Douai (2) · Versailles (2) · Sachsen (2) · Paris (2) · Nièvre (2) · London (2) · Lyon (2)
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Supplementary to patent:
None (237) · Patent NO-1915-12-15 Carl Alfred Johansson (8) · Patent BE-1911-05-15 Georges de Bothezat (5) · Patent GB-1909-2111 (4) · Patent FR-1912-447782 (4) · Patent DE-1908-232250 (4) · Patent FR-1909-410140 (3) · Patent AT-1913-66955 (3)
Related to aircraft:
Patent agent:
None (95) · Armengaud jeune (20) · None (17) · Marks & Clerk (12) · Haseltine, Lake & Co. (8) · E. Blétry (8) · Schwab (7) · Munn & Co. (7) · Lavoix et Mosès (7) · Charles Dony (6) · C. A. Snow & Co. (6) · Victor J. Evans (5) · Boult, Wade & Tennant (4) · Johnsons & Willcox (4) · Dupont et Elluin (4) · Dicker, Pollak & Derriman (4) · Herbert Haddan & Co. (4)
National tech categories:
FR 6.4 (144) · None (103) · HU V/h (26) · AT 77d (15) · USPC 244/80 (5) · USPC 244/90R (5) · USPC 244/93 (5) · CH 129b (5) · USPC 244/48 (4) · DE 77h.5 (4) · DK 77 (4) · USPC 244/79 (4) · USPC 244/177 (3) · USPC 244/45R (3) · USPC 244/82 (3) · USPC 244/76R (3)
IPCs:
None (145) · IPC B64C17/00 (109) · IPC B64C1/00 (93) · IPC B64C17/06 (21) · IPC B64C39/00 (17) · IPC B64C13/00 (14) · IPC B64C3/38 (11) · IPC B64B1/00 (5) · IPC B64C9/00 (4) · IPC B64B1/40 (4) · IPC CPC B64C13/00 (3) · IPC B64C3/52 (3) · IPC B64C3/48 (3) · CPC B64C17/06 (3)
CPCs:
CPC B64C17/00 (131) · None (68) · CPC B64C2700/6218 (43) · CPC B64C13/00 (26) · CPC B64C2700/6212 (26) · CPC B64C17/06 (26) · CPC B64C3/385 (18) · CPC B64C2700/6216 (17) · CPC B64C2700/6214 (16) · CPC B64C2700/6256 (15) · CPC B64C39/00 (14) · CPC B64C2700/6295 (14) · CPC B64C1/00 (12) · CPC B64C2700/6228 (8) · CPC B64C2700/6219 (8) · CPC B64C23/005 (7) · CPC B64C3/14 (6) · CPC B64B1/00 (6) · CPC B64C13/24 (5) · CPC B64C39/08 (5)
First filing:
Citations from after 1930:
Number of text pages:
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