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Patents > IPCs : IPC B64C11/30 or IPC B64C3/38 or IPC B64C39/00

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Inventor country:
FR (320) · US (135) · GB (83) · DE (67) · IT (14) · AT (12) · None (11) · BE (10) · RU (9) · CH (9) · AU (8) · RO (7) · HU (5) · CA (4) · IE (4) · NZ (3) · AH (3) · ZA (3) · DZ (3)
Applicant is inventor:
Tech fields:
None (313) · airplane (183) · design (88) · frame (71) · propulsion (68) · wings (68) · stability (55) · construction (54) · Propellers (47) · Control (41) · navigation (37) · lift (35) · whole (35) · aerodynamics (28) · HTA (23) · fuselage (21) · airfoil (21) · subsystem (20) · propeller (20) · sustentation (19)
Full specification filed date:
Application number:
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Supplementary to patent:
None (471) · Patent FR-1916-502839 (4) · Patent FR-1908-392672 (4) · Patent US-1916-1208684 (3) · Patent BE-1912-02-07-Gramaticesco (3) · Patent US-1910-996592 (3) · Patent FR-1912-449167 (3)
Related to aircraft:
Patent agent:
None (139) · None (46) · Armengaud jeune (32) · Marks & Clerk (20) · J. Bonnet-Thirion (17) · E. Blétry (14) · Boult, Wade & Tennant (11) · J. Germain (11) · Weismann et Marx (11) · Y. Rabilloud et fils (10) · L. Chassevent (9) · J. S. Withers & Spooner (9) · Brandon frères (9) · Boramé et Julien (8) · Haseltine, Lake & Co. (8) · Charles Assi (8) · Schwab (8)
National tech categories:
FR 6.4 (382) · None (218) · DE 77h.5 (18) · USPC 244/45R (12) · FR 6.3 (11) · USPC 244/13 (10) · USPC 244/48 (7) · USPC 244/70 (6) · DE 77h.11 (6) · FR 6.2 (5) · USPC 244/234 (4) · USPC 244/27 (4) · DE 77 (3) · AT 77d (3) · USPC 244/19 (3) · USPC 244/9 (3)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (307) · CPC B64C2700/6295 (261) · CPC B64C3/385 (157) · CPC B64C39/005 (65) · CPC B64C39/08 (46) · CPC B64C39/008 (29) · CPC B64C3/38 (26) · CPC B64C39/003 (20) · CPC B64C11/30 (15) · CPC B64C39/006 (12) · None (6) · CPC B64C3/42 (5) · CPC Y02T50/145 (5) · CPC B64C39/06 (4) · CPC B64C39/062 (4) · CPC B64C39/068 (3) · CPC Y02T50/10 (3) · CPC B64C2700/6242 (3) · CPC B64C17/00 (3) · CPC B64C3/56 (3)
First filing:
Citations from after 1930:
Number of diagram pages:

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