Patents by Inventor Bruce Zeller

Bruce Zeller 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).

  • Method and Apparatus for Separating Excavated Material
    Publication number: 20080093270
    Abstract: A method and apparatus for separating material, particularly excavated material is presented. The method and apparatus utilize a releasable and interchangeable screen assembly which is positioned on top of a frame having a slanted grate. The screen assembly includes bar members which traverse the top of the screen and inverted hook members attached to a top surface of the bar members to enable an equipment bucket to engage the inverted hook members in order to lift and move the screen assembly.
    Type: Application
    Filed: December 21, 2007
    Publication date: April 24, 2008
    Inventor: Bruce Zeller
  • METHOD AND APPARATUS FOR SEPARATING FINE PARTICULATE MATTER FROM OTHER MATERIALS
    Publication number: 20080023376
    Abstract: A method and apparatus for separating fine particulate matter from debris and bulk material is presented which includes a frame, a screen connected to the frame that is adjustable in height relative to the frame at one of its ends, a removable trough positioned near the back end of the frame, and a motor for vibrating the frame to assist in separation of materials.
    Type: Application
    Filed: September 12, 2007
    Publication date: January 31, 2008
    Applicant: Z SCREEN LLC
    Inventor: Bruce Zeller
  • Method and apparatus for separating fine particulate matter from other materials
    Publication number: 20050006284
    Abstract: A method and apparatus for separating fine particulate matter from debris and bulk material is presented which includes a frame, a screen connected to the frame that is adjustable in height relative to the frame at one of its ends, a removable trough positioned near the back end of the frame, and a motor for vibrating the frame to assist in separation of materials.
    Type: Application
    Filed: February 12, 2004
    Publication date: January 13, 2005
    Inventor: Bruce Zeller