Patents by Inventor Timothy L. Eriksen

Timothy L. Eriksen 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: 8291611
    Abstract: A wood kiln system and method that sequentially cures and dries layers of stacked wood during which each layer of wood is heated to 125 to 170 deg. F. as the kiln container is evacuated to approximately 13 inches of Hg for 8 to 12 hrs. After the wood has been cured, drying stage is commenced as the wood is continuously heated by evacuating the kiln container to 0.35 to 3 inches of Hg for 6 to 12 hrs. During the drying stage, a cold water bath is formed in the bottom of the kiln container. A condensation tank located between the vacuum pump and the kiln is used to continuously remove the water and water vapor from the kiln container. In one embodiment, the vacuum pump includes a primary vacuum pump serially connected to an auxiliary vacuum pump that allows the air to be continuously and gradually reduced in the kiln container.
    Type: Grant
    Filed: May 12, 2011
    Date of Patent: October 23, 2012
    Inventor: Timothy L. Eriksen