Drilldown: Patents

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Patents > Tech fields : stability or sustentation & Number of figures: 2-4

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Supplementary to patent:
None (345) · Patent NO-1915-12-15 Carl Alfred Johansson (9) · Patent FR-1909-410140 (5) · Patent BE-1911-05-15 Georges de Bothezat (5) · Patent DE-1912-05-04 Otto Albin Budig (4) · Patent HU-1909-49726 (4) · Patent AT-1913-66955 (4) · Patent DE-1908-232250 (4) · Patent FR-1909-399456 (4) · Patent US-1908-927605 (4) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (4)
Related to aircraft:
Patent agent:
None (177) · Armengaud jeune (29) · None (24) · E. Blétry (13) · Munn & Co. (8) · G. de Mestral et F. Harlé (8) · Marks & Clerk (8) · Schwab (7) · J. Bonnet-Thirion (7) · Abel & Imray (7) · Charles Dony (6) · Victor J. Evans (6) · Haseltine, Lake & Co. (6) · Herbert Haddan & Co. (6) · Brandon frères (5) · L. Chassevent (5) · Lavoix et Mosès (5) · Weismann et Marx (5)
National tech categories:
FR 6.4 (256) · None (106) · HU V/h (32) · AT 77d (20) · DE 77h.5 (13) · USPC 244/80 (9) · CH 129b (8) · USPC 244/90R (6) · FR 6.3 (6) · USPC 244/93 (6) · USPC 244/79 (5) · USPC 244/48 (5) · USPC 244/13 (5) · DE 77 (4) · DK 77 (4) · USPC 244/45R (4)
IPCs:
None (189) · IPC B64C17/00 (139) · IPC B64C1/00 (106) · IPC B64C39/00 (30) · IPC B64C13/00 (18) · IPC B64B1/00 (18) · IPC B64C17/06 (15) · IPC B64C23/00 (13) · IPC B64C3/38 (10) · IPC B64C3/54 (9) · IPC B64C11/00 (7) · IPC B64C33/02 (6) · IPC B64B1/58 (5) · IPC B64C3/00 (5) · IPC B64C9/00 (5) · IPC B64C27/04 (5) · IPC B64C31/06 (4) · IPC B64C27/00 (4) · IPC B64C35/00 (4) · IPC B64D35/04 (4)
CPCs:
CPC B64C17/00 (162) · None (105) · CPC B64C2700/6218 (57) · CPC B64C13/00 (36) · CPC B64C2700/6212 (30) · CPC B64C2700/6295 (27) · CPC B64C39/00 (23) · CPC B64C17/06 (19) · CPC B64B1/00 (18) · CPC B64C2700/6214 (16) · CPC B64C23/005 (15) · CPC B64C2700/6216 (14) · CPC B64C2700/6256 (14) · CPC B64C3/385 (14) · CPC B64C2700/6219 (10) · CPC B64C3/54 (10) · CPC B64C1/00 (10) · CPC B64C2700/6274 (8) · CPC B64C11/006 (7)
First filing:
Citations from after 1930:
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