Patents by Inventor Norbert T. Schmidt

Norbert T. Schmidt 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).

  • Round building with combined center support tube and flue structure
    Patent number: 4015381
    Abstract: A foundation is provided and includes an upstanding perimeter wall structure enclosing a generally circular plan area of the foundation. The perimeter wall is supported from the foundation and a central upstanding roof support column is also provided and is supported at its lower end from the foundation centrally of the area enclosed by the perimeter wall structure. The column is tubular and a support frame encircles and is supported from the upper end of the column at a level spaced above the upper portions of the perimeter wall structure. The support frame is spaced outwardly of the column and downwardly and outwardly inclined roof rafter members are spaced about the column in generally radial planes with their upper innermost end portions anchored relative to corresponding portions of the frame and their lower outermost end portions anchored relative to corresponding upper marginal portions of the perimeter wall structure.
    Type: Grant
    Filed: September 24, 1975
    Date of Patent: April 5, 1977
    Inventor: Norbert T. Schmidt
  • Non-spill party plate
    Patent number: D399095
    Type: Grant
    Filed: January 31, 1997
    Date of Patent: October 6, 1998
    Inventor: Norbert T. Schmidt
  • Non-spill party plate
    Patent number: D426110
    Type: Grant
    Filed: September 22, 1998
    Date of Patent: June 6, 2000
    Inventor: Norbert T. Schmidt