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Patents > IPCs : IPC B64C1/00 or IPC B64C39/00 & Number of figures: 8-20

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Office:
Inventors:
None (8) · Adolf Sprater (4) · Alexander Blair Thaw (3) · Edmund Sparmann (3) · Ruter William Springer (3) · Vigilio Baldo (3)
Inventor country:
Applicant person:
None (13) · Adolf Sprater (4) · Vigilio Baldo (3) · Ruter William Springer (3) · Alexander Blair Thaw (3) · Edmund Sparmann (3)
Applicant is inventor:
Tech fields:
Airplane (115) · Stability (93) · Design (38) · None (34) · automatic stability (30) · wings (26) · construction (26) · frame (24) · aerodynamics (23) · Lift (20) · control (20) · Propulsion (18) · fuselage (17) · propellers (14) · gyroscope (14) · steering (11) · navigation (11)
Full specification filed date:
Application number:
None (13)
Granted:
Supplementary to patent:
None (159) · Patent US-1916-1208684 (3) · Patent IT-1913-03-20 Vigilio Baldo (3) · Patent US-1914-1368226 (2) · Patent GB-1908-4519 (2) · Patent US-1913-1133984 (2) · Patent BE-1910-230887 (2)
Related to aircraft:
Patent agent:
None (32) · Armengaud jeune (13) · None (9) · Marks & Clerk (8) · Lavoix et Mosès (5) · Weismann et Marx (4) · Charles Assi (4) · G. de Mestral et F. Harlé (4) · Gaston Rose (4) · Haseltine, Lake & Co. (4) · J. Bonnet-Thirion (4) · Boult, Wade & Tennant (3) · Dom. Casalonga (3) · Dupont et Elluin (3) · H. D. Fitzpatrick & Co. (3) · Brandon frères (3) · Hyde & Heide (3) · Charles Dony (3) · Schwab (3)
National tech categories:
FR 6.4 (124) · None (76) · USPC 244/70 (4) · USPC 244/45R (4) · DE 77h.5 (2) · USPC 244/177 (2) · USPC 244/13 (2) · USPC 244/9 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (69) · CPC B64C39/00 (56) · CPC B64C2700/6295 (52) · CPC B64C2700/6218 (49) · CPC B64C1/00 (25) · CPC B64C39/005 (21) · CPC B64C17/06 (20) · CPC B64C2001/0081 (11) · CPC B64C2700/6216 (11) · CPC B64C39/08 (11) · CPC B64C2700/6228 (10) · CPC B64C2001/0063 (9) · CPC B64C2700/6219 (8) · CPC B64C39/003 (6) · CPC B64C39/008 (4) · CPC B64C1/06 (4) · CPC B64C1/08 (3) · CPC B64C1/061 (3) · CPC B64C39/006 (3) · CPC Y02T50/40 (3)
First filing:
Citations from after 1930:
Number of diagram pages:

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