Patents by Inventor Harry Harker

Harry Harker 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).

  • System and method for cleaning grain dryer screen
    Patent number: 9027257
    Abstract: A system for cleaning a grain dryer screen includes a grain dryer screen supported within a grain bin and having a grain contacting surface opposing a grain debris contacting surface. A drying airflow path through the grain dryer screen is defined sequentially by the grain debris contacting surface and the grain contacting surface. A cleaning assembly includes a first cleaning arm mounted within the grain bin and disposed along the grain debris contacting surface. A cleaning assembly powering system is configured to move the first cleaning arm along a predetermined cleaning path relative to the grain debris contacting surface.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: May 12, 2015
    Inventor: Harry Harker