USPC 244/6

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Aeronautical machines having provision for sustentation in part or entirely by aerodynamic action on airfoils in fixed relation to the machines, having also provision for sustentation or vertical lift by means of screw propellers arranged to develop a substantial component of thrust in a vertical direction[1]

This wiki has 51 patents in category "USPC 244/6". Other techtypes related to USPC 244/6: CA 244/5

Patents in category USPC 244/6


References

Enclosing categories USPC 244
Subcategories USPC 244/7
Keywords CA 244/5, Airplane, Helicopter, Hybrid, Propeller
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