Patents by Inventor Herbert Koch

Herbert Koch has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4206933
    Abstract: A sleigh having an inflatable body which is wedge-shaped at its forward portion and parallel-sided at its rear portion, the body being subdivided into three inflatable compartments by two spaced longitudinally extending interior webs which slant outwardly relative to one another in their downward directions. The forward ends of the upper edges of the webs are slightly higher than their rear ends. The upper surfaces of the two outer compartments bulge upwardly to a greater extent than the upper surface of the center compartment. Guide foils having longitudinally extending grooves are disposed below the three compartments at the rear end of the body, the foils associated with the outer two compartments being displaced inwardly relative to their respective compartment axes in the unloaded condition of the sleigh.
    Type: Grant
    Filed: July 24, 1978
    Date of Patent: June 10, 1980
    Inventor: Herbert Koch