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Patents > Office : DE or FR or GB or LU or NL & Applicant firm: None & Tech fields : airfoil or airplane & National tech categories : DE 77h.5 or GB 4 motors or USPC 244/45R or USPC 244/80

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Office: (Click arrow to add another value)
Inventors:
Ernst Heinkel (9) · Robert Esnault-Pelterie (5) · Anton Flettner (3) · Adolphe-François-Joseph Doutre (2) · Gustav Mees (2) · Karl Ludwig Waldemar Geest (2) · Orville Wright (2) · Alexander Baumann (2)
Inventor country:
Applicant person:
None (12) · Ernst Heinkel (9) · Robert Esnault-Pelterie (5) · Anton Flettner (3) · Adolphe-François-Joseph Doutre (2) · Gustav Mees (2)
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CPCs:
None (11) · CPC B64C17/00 (10) · CPC B64C13/00 (9) · CPC B64C39/00 (4) · CPC B64C3/00 (4) · CPC B64C3/385 (4) · CPC B64C3/52 (3) · CPC B64C9/02 (2) · CPC B64C3/56 (2) · CPC B64C3/42 (2) · CPC B64C1/26 (2) · CPC B64C11/00 (2)
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Citations from after 1930:
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Showing below up to 80 results in range #1 to #80.

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