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Patents > IPCs : IPC B64C13/00 or IPC B64C27/04 or IPC B64D27/04

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Office:
Inventor country:
Applicant is inventor:
Tech fields:
airplane (90) · Control (84) · helicopter (49) · steering (40) · None (39) · stability (32) · design (30) · Propulsion (28) · rudder (27) · propellers (25) · frame (25) · wings (22) · ascension (19) · hybrid (18) · lift (18) · navigation (17) · aerodynamics (15) · Subsystem (14) · construction (13) · heavier-than-air (11)
Full specification filed date:
Application number:
Granted:
Supplementary to patent:
None (213) · Patent US-1913-1118124 (2) · Patent DE-1918-388537 (2) · Patent GB-1911-04-28 Belton Tattnall Hamilton (2) · Patent US-1911-1011761 (2) · Patent FR-1915-502520 (2) · Patent FR-1908-407090 (2) · Patent FR-1915-478440 (2)
Related to aircraft:
Patent agent:
None (69) · Armengaud jeune (15) · None (12) · Marks & Clerk (10) · Weismann et Marx (7) · Brewer & Son (7) · J. Germain (6) · Y. Rabilloud et fils (5) · Haseltine, Lake & Co. (5) · Brandon frères (4) · Munn & Co. (4) · G. F. Redfern & Co. (4) · J. S. Withers & Spooner (4) · Brierley & Howard (4) · Boult, Wade & Tennant (4)
National tech categories:
FR 6.4 (123) · None (100) · DE 77h.5 (17) · FR 6.3 (9) · USPC 244/233 (8) · USPC 244/234 (7) · USPC 244/231 (5) · USPC 244/87 (3) · DE 77h.6 (3) · DE 77 (3) · DE 62b.15 (3) · USPC 244/225 (3) · USPC 244/237 (3) · USPC 244/90R (2) · USPC 244/232 (2) · USPC 244/222 (2) · USPC 244/221 (2) · USPC 244/82 (2) · USPC 244/88 (2) · USPC 244/89 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C13/00 (168) · CPC B64C2700/6256 (105) · CPC B64C2700/6281 (83) · CPC B64C27/04 (62) · CPC B64C27/12 (21) · CPC B64C27/20 (10) · CPC B64D27/04 (10) · CPC B64C2700/6259 (7) · CPC B64C27/52 (6) · CPC B64C29/0025 (4) · CPC B64C39/06 (3) · CPC B64C2700/626 (2) · CPC B64C27/00 (2) · CPC B64C39/024 (2) · CPC B64C2201/024 (2) · CPC B64C2201/108 (2)
First filing:
Citations from after 1930:
Number of diagram pages:

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