Patents Assigned to Spokane Industires
  • Self-cleaning tank
    Patent number: 9381550
    Abstract: A tank, such as a fermentation tank, includes a scraper blade assembly slideably coupled to a bottom surface of the tank. The scraper blade assembly includes a blade arranged to displace solids deposited on the bottom surface of the tank out through an aperture arranged flush with the bottom surface of the tank.
    Type: Grant
    Filed: April 17, 2014
    Date of Patent: July 5, 2016
    Assignee: Spokane Industires
    Inventors: Nathan Hayes Owen, Thomas Raymond Rodgers, Nathan Scott Batson