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Patents > Applicant type: INDIV & IPCs : IPC B64C25/00 or IPC B64C33/00 or IPC B64C39/00

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Tech fields:
Airplane (253) · Design (150) · frame (118) · None (99) · Propulsion (93) · wings (84) · stability (77) · Construction (75) · landing (69) · propellers (62) · wheels (54) · chassis (51) · aerodynamics (47) · Lift (44) · Control (43) · navigation (43) · flapping (42) · whole (38) · fuselage (36) · rudder (34)
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Supplementary to patent:
None (442) · Patent FR-1916-502839 (4) · Patent US-1916-1208684 (3) · Patent AT-1912-75092 (3) · Patent US-1910-996592 (3) · Patent IT-1915-150227 (3) · Patent FR-1909-420322 (3)
Related to aircraft:
Patent agent:
None (138) · None (36) · Armengaud jeune (35) · Marks & Clerk (21) · J. Bonnet-Thirion (17) · Weismann et Marx (15) · E. Blétry (13) · J. Germain (12) · Charles Dony (10) · Boult, Wade & Tennant (10) · Y. Rabilloud et fils (8) · Munn & Co. (8) · Brandon frères (8) · G. de Mestral et F. Harlé (7) · Dupont et Elluin (7) · Boramé et Julien (7) · L. Chassevent (7) · Chassevent (6)
National tech categories:
FR 6.4 (351) · None (174) · USPC 244/22 (16) · USPC 244/45R (13) · FR 6.3 (12) · USPC 244/13 (10) · DE 77h.5 (9) · USPC 244/11 (6) · USPC 244/100R (6) · DE 77h.11 (6) · USPC 244/70 (5) · USPC 244/104R (4) · USPC 244/72 (4) · DE 77h.9 (4) · USPC 244/27 (4)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (287) · CPC B64C2700/6295 (254) · CPC B64C39/005 (62) · CPC B64C33/00 (61) · CPC B64C25/06 (58) · CPC B64F2700/6226 (56) · CPC B64C39/08 (47) · CPC B64C25/62 (36) · CPC B64C39/008 (28) · CPC B64C25/52 (26) · CPC B64C25/64 (22) · CPC B64C25/54 (20) · CPC B64C39/003 (19) · CPC B64C33/02 (17) · CPC B64C39/006 (12) · CPC B64C25/60 (8) · CPC B64C25/14 (5) · CPC B64C25/00 (5)
First filing:
Citations from after 1930:
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