Patents Assigned to Derrick Corporaton
  • METHOD AND APPARATUSES FOR SCREENING
    Publication number: 20150151333
    Abstract: A screening machine includes wall members, screen assembly guide members, a screen assembly and a compression assembly. The screen assembly includes a frame with a plurality of side members and a screen supported by the frame. The compression assembly is attached to at least one wall member and forms the screen assembly into a concave shape.
    Type: Application
    Filed: February 10, 2015
    Publication date: June 4, 2015
    Applicant: Derrick Corporaton
    Inventors: Keith Wojciechowski, Christian Newman