Drilldown: Patents

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

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Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
Granted:
Supplementary to patent:
None (458) · Patent FR-1908-392672 (11) · Patent GB-1908-4519 (9) · Patent US-1910-1011683 (6) · Patent FR-1912-449070 (5) · Patent FR-1912-450892 (5) · Patent US-1913-04-21 George Raymond Lawrence (5) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (4) · Patent FR-1908-407090 (4) · Patent GB-1902-24336 (4) · Patent BE-1910-230887 (4) · Patent US-1908-1077750 (4)
Related to aircraft:
Patent agent:
None (273) · Armengaud jeune (52) · None (16) · G. de Mestral et F. Harlé (15) · E. Blétry (12) · H. Bœttcher fils (9) · J. Germain (9) · L. Chassevent (9) · Wheatley & Mackenzie (8) · Marks & Clerk (8) · Victor J. Evans (7) · Munn & Co. (7)
National tech categories:
FR 6.4 (274) · None (143) · HU V/h (39) · BE K (29) · AT 77d (20) · FR 6.3 (18) · DE 77h.5 (10) · USPC 244/139 (10) · DK 77 (8) · AU 90.3 (7) · CH 129b (7) · DE 77h (6) · DE 77h.15 (5)
IPCs:
None (302) · IPC B64C39/00 (55) · IPC B64C17/00 (34) · IPC B64B1/00 (34) · IPC B64C1/00 (32) · IPC B64C23/00 (19) · IPC B64D17/00 (16) · IPC B64C3/54 (13) · IPC B64C3/38 (13) · IPC B64C13/00 (13) · IPC B64C11/00 (12) · IPC B64C3/52 (12) · IPC B64C3/00 (10) · IPC B64B1/58 (9) · IPC B64C27/04 (9) · IPC B64C3/48 (9) · IPC B64B1/62 (8) · IPC B64C33/00 (8) · IPC B64C33/02 (7)
CPCs:
None (209) · CPC B64C17/00 (45) · CPC B64C39/00 (43) · CPC B64B1/00 (38) · CPC B64C2700/6295 (32) · CPC B64C23/005 (23) · CPC B64C13/00 (20) · CPC B64C3/385 (16) · CPC B64D17/00 (15) · CPC B64C2700/6218 (14) · CPC B64C3/52 (14) · CPC B64C2700/6274 (13) · CPC B64B1/62 (12) · CPC B64B1/58 (12) · CPC B64C3/54 (11) · CPC B64C3/48 (11) · CPC B64B1/40 (10) · CPC B64C3/00 (10)
First filing:
Citations from after 1930:
Number of diagram pages:

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