Drilldown: Patents

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Patents > Tech fields : hybrid or lift

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Applicant is inventor:
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Full specification filed date:
Application number:
Granted:
Supplementary to patent:
None (510) · Patent BE-1909-214032 (33) · Patent FR-1908-392672 (11) · Patent GB-1908-4519 (9) · Patent US-1908-1077750 (4) · Patent BE-1913-255172 (4) · Patent BE-1907-198483 (4) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (4) · Patent BE-1910-230887 (4) · Patent FR-1908-407090 (4) · Patent AT-1912-75092 (4) · Patent FR-1909-410140 (4)
Related to aircraft:
Patent agent:
None (298) · Armengaud jeune (50) · A. Wunderlich & Cie, Ingénieurs-Conseils (36) · None (20) · E. Blétry (13) · G. de Mestral et F. Harlé (12) · J. Bonnet-Thirion (11) · Munn & Co. (11) · Schwab (9) · Haseltine, Lake & Co. (9) · Victor J. Evans (8) · J. Germain (8) · Weismann et Marx (7) · Dom. Casalonga (7) · Boult, Wade & Tennant (6) · L. Chassevent (5) · Edward Evans & Co. (5) · Marks & Clerk (5) · C. Blétry (5)
National tech categories:
FR 6.4 (285) · None (167) · BE K (77) · HU V/h (38) · FR 6.3 (21) · AT 77d (13) · DE 77h.5 (8) · USPC 244/6 (7) · DK 77 (7) · USPC 244/22 (7) · USPC 244/64 (6) · USPC 244/25 (6) · CH 129b (6) · AU 90.3 (6) · DE 77h (6) · FR 6.2 (5) · USPC 244/11 (5)
IPCs:
None (387) · IPC B64C39/00 (50) · IPC B64B1/00 (42) · IPC B64C23/00 (39) · IPC B64C1/00 (30) · IPC B64C17/00 (26) · IPC B64C27/04 (21) · IPC B64C35/00 (18) · IPC B64C33/00 (16) · IPC B64C3/38 (15) · IPC B64C33/02 (14) · IPC B64C3/54 (14) · IPC B64C3/52 (12) · IPC B64C3/00 (12) · IPC B64C11/00 (11) · IPC B64B1/58 (11) · IPC B64C3/48 (9) · IPC B64C13/00 (9) · IPC B64C29/00 (8) · IPC B64B1/62 (6)
CPCs:
None (272) · CPC B64B1/00 (58) · CPC B64C23/005 (56) · CPC B64C39/00 (39) · CPC B64C2700/6295 (33) · CPC B64C17/00 (32) · CPC B64C2700/6274 (29) · CPC B64C35/00 (23) · CPC B64C33/02 (21) · CPC B64C33/00 (18) · CPC B64C13/00 (17) · CPC B64C39/005 (16) · CPC B64C27/04 (15) · CPC B64C2700/6281 (15) · CPC B64B1/58 (15) · CPC B64C3/52 (14) · CPC B64C3/385 (14) · CPC B64C2700/6218 (13) · CPC B64C3/54 (11)
First filing:
Citations from after 1930:
Number of diagram pages:

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