Drilldown: Patents

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Patents > Supplementary to patent: None & Number of text pages: 6-20 & Number of figures: 11-13

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Office:
Inventors:
Edmund Sparmann (4) · None (3) · De Bert Hartley (3) · Peter Cooper Hewitt (2) · Everard Richard Calthrop (2) · Erhard Cecil Kny (2) · John P. Tarbox (2) · William Whitney Christmas (2) · Adolphe-François-Joseph Doutre (2)
Inventor country:
Applicant person:
None (6) · Edmund Sparmann (4) · De Bert Hartley (3) · Adolphe-François-Joseph Doutre (2) · Everard Richard Calthrop (2) · Erhard Cecil Kny (2) · Peter Cooper Hewitt (2) · Harold Wade (2)
Applicant is inventor:
Tech fields:
airplane (20) · stability (18) · None (16) · design (11) · wings (10) · frame (9) · Propulsion (9) · navigation (7) · propellers (6) · rudder (6) · steering (5) · whole (5) · automatic stability (5) · lift (4) · chassis (4) · construction (4) · control (4) · gyroscope (4)
Full specification filed date:
Application number:
None (12)
Granted:
Publication date:
Supplementary to patent: (Click arrow to add another value)
Related to aircraft:
Patent agent:
None (13) · Brandon frères (3) · A. E. White (2) · None (2)
CPCs:
CPC B64C17/00 (12) · None (11) · CPC B64C2700/6218 (6) · CPC B64B1/00 (4) · CPC B64C3/385 (4) · CPC B64C39/005 (4) · CPC B64C2700/6295 (3) · CPC B64C2700/6233 (3) · CPC B64C3/00 (3) · CPC B64C17/06 (3) · CPC B64C35/00 (3) · CPC B64C1/00 (2) · CPC B64C2700/6212 (2) · CPC B64C13/00 (2) · CPC B64C35/008 (2) · CPC B64C33/02 (2)
First filing:
Citations from after 1930:
Number of text pages:
Number of figures:

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