Drilldown: Patents

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Patents > Tech fields : external attachments or stability & Publication date: 1900 - 1999

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None (283) · Patent GB-1903-27212 (6) · Patent GB-1909-26034 (6) · Patent NO-1915-12-15 Carl Alfred Johansson (5) · Patent IT-1910-10-17 Carlo Navaro (5) · Patent GB-1908-4519 (5) · Patent FR-1909-410140 (5) · Patent GB-1909-8531 (5) · Patent GB-1909-2111 (4) · Patent DE-1911-11-16 Otto Albin Budig (4) · Patent HU-1909-49726 (3) · Patent BE-1911-05-15 Georges de Bothezat (3) · Patent FR-1912-447782 (3) · Patent DE-1912-06-24 Julius Pompe (3) · Patent AU-1911-510 (3) · Patent FR-1907-373818 (3) · Patent FR-1908-401308 (3) · Patent FR-1909-399456 (3) · Patent US-1913-04-21 George Raymond Lawrence (3) · Patent AT-1913-66955 (3)
Related to aircraft:
Patent agent:
None (185) · Armengaud jeune (24) · None (19) · E. Blétry (16) · J. Bonnet-Thirion (14) · Lavoix et Mosès (12) · Brandon frères (9) · Schwab (9) · Chassevent (7) · Hippolyte Josse (6) · Dupont et Elluin (6) · Charles Dony (6) · J. Germain (6) · de Bongé (5) · C. Baumann (5) · L. Chassevent (5)
National tech categories:
FR 6.4 (295) · HU V/h (55) · None (41) · AT 77d (27) · DE 77h.5 (21) · FR 6.3 (13) · CH 129b (12) · AU 90.3 (8) · DK 77 (7) · DE 77h (4) · DE 77 (3) · DE 77h.6 (2) · USPC 244/93 (2) · AU 90.1 (2) · FR 10.1 (2)
IPCs:
None (165) · IPC B64C17/00 (153) · IPC B64C1/00 (102) · IPC B64B1/00 (20) · IPC B64C39/00 (18) · IPC B64C17/06 (15) · IPC B64B1/58 (11) · IPC B64C23/00 (10) · IPC B64C13/00 (9) · IPC B64B1/40 (7) · IPC B64C3/38 (7) · IPC B64C3/54 (5) · IPC B64C17/04 (4) · IPC B64C11/00 (3) · IPC B64C33/00 (3) · IPC B64D17/00 (3) · IPC B64C3/00 (3)
CPCs:
CPC B64C17/00 (166) · None (149) · CPC B64C2700/6218 (43) · CPC B64C2700/6212 (43) · CPC B64C2700/6214 (21) · CPC B64B1/00 (19) · CPC B64C17/06 (16) · CPC B64C13/00 (15) · CPC B64C1/00 (15) · CPC B64C39/00 (14) · CPC B64C2700/6219 (12) · CPC B64C2700/6256 (11) · CPC B64B1/58 (11) · CPC B64C2700/6216 (10) · CPC B64C23/005 (10) · CPC B64C2700/6295 (9) · CPC B64C3/385 (8) · CPC B64C2700/6228 (6) · CPC B64B1/40 (6) · CPC B64C2700/6215 (6)
First filing:
Citations from after 1930:
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