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Patents > Applicant firm : Luft Fahrzeug G.m.b.H. or None & IPCs : IPC B64C23/00 or IPC B64C3/00 or IPC B64C39/00

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Tech fields:
airplane (331) · design (189) · None (167) · frame (139) · wings (128) · propulsion (117) · Construction (117) · stability (87) · propellers (86) · aerodynamics (71) · lift (64) · control (56) · navigation (52) · hybrid (52) · sustentation (49) · whole (49) · fuselage (41) · ascension (37) · Helicopter (34)
Full specification filed date:
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Supplementary to patent:
None (576) · Patent FR-1909-410140 (5) · Patent FR-1916-502839 (4) · Patent FR-1907-373818 (4) · Patent US-1910-996592 (3) · Patent FR-1910-414004 (3) · Patent FR-1911-429224 (3) · Patent US-1916-1208684 (3)
Related to aircraft:
Patent agent:
None (166) · None (48) · Armengaud jeune (36) · Marks & Clerk (28) · J. Bonnet-Thirion (18) · J. Germain (16) · Boult, Wade & Tennant (15) · E. Blétry (14) · Weismann et Marx (14) · G. de Mestral et F. Harle (12) · Lavoix et Mosès (11) · L. Chassevent (10) · Boramé et Julien (10) · Brandon frères (9) · Dupont et Elluin (9) · Munn & Co. (8) · Haseltine, Lake & Co. (8) · Y. Rabilloud et fils (8)
National tech categories:
FR 6.4 (457) · None (231) · DE 77h.5 (16) · FR 6.3 (16) · USPC 244/45R (13) · USPC 244/13 (10) · USPC 244/48 (8) · DE 77 (7) · DE 77h.11 (6) · USPC 244/46 (6) · USPC 244/70 (6) · FR 6.2 (5) · DE 77h.7 (4) · USPC 244/27 (4) · FR 5.3 (4)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (292) · CPC B64C2700/6295 (258) · CPC B64C23/005 (169) · CPC B64C3/00 (146) · CPC B64C2700/6274 (106) · CPC B64C39/005 (64) · CPC B64C2700/6235 (59) · CPC B64C2700/6233 (53) · CPC B64C39/08 (47) · CPC B64C39/008 (29) · CPC B64C39/003 (19) · CPC B64C2700/6273 (16) · CPC B64C39/006 (12) · CPC B64C3/385 (12) · CPC B64C2700/6271 (10) · CPC B64C3/56 (5) · CPC B64C23/00 (5)
First filing:
Cites these patents:
None (832)
Citations from after 1930:
Number of diagram pages:

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