Drilldown: Patents

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Patents > Tech fields : hybrid or lift or stability & Number of text pages: 3-4

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Supplementary to patent:
None (489) · Patent FR-1912-447782 (4) · Patent IT-1910-10-17 Carlo Navaro (4) · Patent FR-1909-410140 (4) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent DE-1908-232250 (3) · Patent GB-1908-4519 (3) · Patent US-1908-927605 (3) · Patent US-1903-821393 (3) · Patent NO-1915-12-15 Carl Alfred Johansson (3)
Related to aircraft:
Patent agent:
None (185) · Armengaud jeune (48) · None (22) · Munn & Co. (15) · Victor J. Evans (12) · Haseltine, Lake & Co. (12) · Marks & Clerk (12) · J. Germain (10) · E. Blétry (10) · Lavoix et Mosès (9) · Abel & Imray (8) · Boult, Wade & Tennant (8) · Dom. Casalonga (7) · Weismann et Marx (7) · J. Bonnet-Thirion (7) · Wheatley & Mackenzie (7)
National tech categories:
FR 6.4 (266) · None (159) · HU V/h (28) · USPC 244/80 (20) · USPC 244/90R (16) · CH 129b (12) · USPC 244/6 (9) · DE 77h.5 (9) · FR 6.3 (8) · AT 77d (8) · USPC 244/46 (7) · USPC 244/78.1 (7) · AU 90.3 (7) · RU Group V (7) · USPC 244/93 (6) · USPC 244/48 (6) · USPC 244/35R (6) · FR 6.2 (6)
IPCs:
None (270) · IPC B64C17/00 (146) · IPC B64C1/00 (113) · IPC B64C39/00 (32) · IPC B64C23/00 (23) · IPC B64B1/00 (19) · IPC B64C17/06 (18) · IPC B64C13/00 (12) · IPC B64C27/04 (12) · IPC B64C3/00 (11) · IPC B64C33/02 (10) · IPC B64B1/58 (10) · IPC B64C3/38 (9) · IPC B64C35/00 (8) · IPC B64C3/54 (8) · IPC B64C33/00 (8) · IPC B64B1/40 (6) · IPC B64C3/56 (6) · IPC B64C3/52 (6) · IPC B64C3/48 (6)
CPCs:
CPC B64C17/00 (178) · None (107) · CPC B64C2700/6218 (62) · CPC B64C23/005 (39) · CPC B64C13/00 (32) · CPC B64C2700/6212 (29) · CPC B64C2700/6295 (29) · CPC B64B1/00 (28) · CPC B64C39/00 (23) · CPC B64C2700/6214 (21) · CPC B64C17/06 (20) · CPC B64C1/00 (18) · CPC B64C2700/6216 (18) · CPC B64C33/02 (16) · CPC B64C3/385 (15) · CPC B64C33/00 (13) · CPC B64C39/005 (13) · CPC B64C2700/6274 (12) · CPC B64C3/14 (12)
First filing:
Citations from after 1930:
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