Drilldown: Patents

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Patents > Tech fields : lift or safety & Filing date: 1900 - 1999 & Grant date: 1900 - 1999

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None (399) · Patent FR-1908-392672 (11) · Patent GB-1908-4519 (9) · Patent FR-1912-449070 (5) · Patent FR-1912-450892 (5) · Patent FR-1908-407090 (4) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (4) · Patent US-1908-1077750 (4) · Patent US-1910-1011683 (4) · Patent AT-1909-12-31 Vigilio Baldo (3) · Patent BE-1910-230887 (3) · Patent SE-1906-25199 (3) · Patent DE-1912-279343 (3) · Patent FR-1913-450892.17436 (3) · Patent CH-1909-48028 (3) · Patent DE-1909-Wilcke-Graff (3) · Patent US-1908-927605 (3) · Patent US-1908-1081147 (3) · Patent GB-1902-24336 (3) · Patent FR-1902-328044 (3)
Related to aircraft:
Patent agent:
None (219) · Armengaud jeune (51) · None (16) · G. de Mestral et F. Harlé (15) · E. Blétry (11) · H. Bœttcher fils (9) · J. Germain (9) · L. Chassevent (9) · Wheatley & Mackenzie (7) · Munn & Co. (7) · Marks & Clerk (7) · Victor J. Evans (7)
National tech categories:
FR 6.4 (272) · None (118) · HU V/h (38) · AT 77d (20) · FR 6.3 (18) · USPC 244/139 (10) · DK 77 (7) · CH 129b (6) · USPC 244/147 (4) · USPC 244/17.15 (4) · USPC 244/30 (4) · USPC 244/32 (4) · USPC 244/144 (4) · DE 77h.5 (4) · FR 6.2 (4)
IPCs:
None (232) · IPC B64C39/00 (55) · IPC B64B1/00 (33) · IPC B64C17/00 (32) · IPC B64C1/00 (31) · IPC B64C23/00 (19) · IPC B64D17/00 (16) · IPC B64C3/54 (13) · IPC B64C13/00 (12) · IPC B64C3/38 (12) · IPC B64C11/00 (12) · IPC B64C3/00 (10) · IPC B64C3/52 (10) · IPC B64B1/58 (9) · IPC B64C27/04 (9) · IPC B64C3/48 (9) · IPC B64C33/02 (7) · IPC B64B1/62 (7) · IPC B64C33/00 (6)
CPCs:
None (140) · CPC B64C39/00 (43) · CPC B64C17/00 (42) · CPC B64B1/00 (37) · CPC B64C2700/6295 (31) · CPC B64C23/005 (23) · CPC B64C13/00 (19) · CPC B64C3/385 (14) · CPC B64C2700/6218 (14) · CPC B64D17/00 (14) · CPC B64C2700/6274 (13) · CPC B64C3/52 (11) · CPC B64C3/48 (11) · CPC B64C3/54 (11) · CPC B64B1/58 (11) · CPC B64B1/62 (10) · CPC B64B1/40 (10) · CPC B64C3/00 (10)
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Citations from after 1930:
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