Drilldown: Patents

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Patents > Year granted: 1920 - 1929 & Office : DE or GB or LU or MX or NL & Applicant firm: None & National tech categories : FR 5 or FR 6.4 or GB 4 motors or USPC 244/45R or None

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Year granted:
Office: (Click arrow to add another value)
Inventor country:
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Applicant is inventor:
Tech fields:
None (28) · airplane (9) · wings (6) · frame (5) · design (4) · propellers (3) · steering (3) · construction (3) · cargo (2) · stability (2)
Full specification filed date:
Application number:
None (10)
Grant date:
Granted:
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Related to aircraft:
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CPCs:
CPC B64C13/00 (7) · CPC B64C2700/6256 (6) · CPC B64C17/00 (6) · CPC B64C3/00 (4) · CPC B64C2700/6235 (3) · CPC B64C3/50 (3) · CPC B64C2700/6218 (3) · CPC B64C3/56 (3) · CPC B64C3/18 (2) · CPC B64C3/185 (2) · CPC B64C2700/6212 (2) · CPC B64C3/187 (2) · CPC B64C25/06 (2) · CPC B64C3/54 (2)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 51 results in range #1 to #51.

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