Patents by Inventor Dale P. Kranz

Dale P. Kranz 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).

  • Greenhouse structure
    Patent number: 4352256
    Abstract: A greenhouse structure includes a central hub having a revolving floor therein and a plurality of arms radiating outwardly from that hub. The arms are growth chambers, and movable trays located within those growth chambers move plants from the arms onto and from a workbench in the hub.
    Type: Grant
    Filed: February 27, 1981
    Date of Patent: October 5, 1982
    Inventor: Dale P. Kranz
  • Revolving greenhouse
    Patent number: 4244146
    Abstract: A greenhouse includes a hollow cylinder which is revolvably mounted. The cylinder includes an opaque portion and a translucent portion and is revolved to control the amount of sunlight entering the cylinder from any given direction, and insulate the growing area when needed. Alternative embodiments include a pair of concentric cylinders.
    Type: Grant
    Filed: July 23, 1979
    Date of Patent: January 13, 1981
    Inventor: Dale P. Kranz