Drilldown: Patents

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Patents > Year granted: 1900 - 1909 & Office: US & Inventor country : CH or DE or RU or US & Number of claims: 1-2

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Applicant person:
None (2)
Applicant is inventor:
Tech fields:
LTA (15) · propeller (12) · navigation (11) · propulsion (8) · frame (6) · airfoil (4) · windmill (3) · marine (3) · fun (3) · helicopter (3) · Projectile (3)
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None (13)
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National tech categories:
None (17) · USPC 244/155R (3) · USPC 244/73R (3) · USPC 244/30 (3) · USPC 244/17.19 (3) · USPC 244/3.23 (2) · USPC 244/66 (2)
CPCs:
CPC B64B1/00 (6) · CPC B64C11/48 (3) · CPC A63H27/087 (3) · CPC B64C11/006 (3) · CPC B64C11/001 (3) · CPC B64C27/82 (3) · CPC B64C27/12 (3) · CPC B64C11/343 (2) · CPC B64C13/06 (2) · CPC Y02E10/72 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
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