Drilldown: Patents

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Patents > Granted: No & Number of text pages: 3-8

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Office:
Inventors:
None (6) · Franz Xaver Wels (2) · Paul-Nicolas Lucas-Girardville (2) · Everard Richard Calthrop‎‎ (2)
Inventor country:
Applicant person:
None (9) · Franz Xaver Wels (2) · Everard Richard Calthrop‎‎ (2)
Applicant is inventor:
Tech fields:
airplane (21) · None (17) · stability (11) · wings (9) · frame (9) · Design (8) · construction (6) · flapping (6) · Propulsion (6) · LTA (5) · Control (4) · balloon (4) · navigation (4) · lift (4) · aerodynamics (4)
Full specification filed date:
Application number:
None (20)
Granted: (Click arrow to add another value)
Supplementary to patent:
None (19) · Patent AT-1912-75092 (2)
Related to aircraft:
Assigned to:
CPCs:
None (13) · CPC B64C17/00 (10) · CPC B64C3/385 (7) · CPC B64C2700/6295 (5) · CPC B64C33/02 (4) · CPC B64C2700/6218 (4) · CPC B64C2700/6214 (3) · CPC B64B1/00 (3) · CPC B64D17/72 (2) · CPC B64C39/08 (2) · CPC B64C39/00 (2) · CPC B64C33/00 (2) · CPC B64C3/14 (2) · CPC B64C2700/6216 (2) · CPC B64C2700/6256 (2) · CPC B64C17/06 (2) · CPC B64C13/00 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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