Patents by Inventor Dan E. Hirschler

Dan E. Hirschler 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: 5098557
    Abstract: A granular material cleaning apparatus and method. The apparatus has an upright container housing assembly; an inlet housing assembly pivotally connected to the upright container housing assembly to receive a contaminated granular material; and material inlet control assembly mounted to the upright container housing at an upper inlet portion thereof. A discharge housing assembly is mounted to the upright container housing assembly; and a material flow channel assembly is mounted within the container housing assembly generally underneath the material inlet control assembly to initially receive the contaminated granular material at an upper end thereof and pass the same under gravity moving transversely on the material flow channel assembly until discharged into the discharge housing assembly.
    Type: Grant
    Filed: February 9, 1990
    Date of Patent: March 24, 1992
    Inventors: Dan E. Hirschler, Glenn D. Wells