Patents by Inventor Bruce K. Zeller

Bruce K. 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
    Patent number: 8727128
    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: Grant
    Filed: May 7, 2008
    Date of Patent: May 20, 2014
    Inventor: Bruce K. Zeller
  • Method and apparatus for separating excavated material
    Patent number: 8695806
    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: Grant
    Filed: December 21, 2007
    Date of Patent: April 15, 2014
    Inventor: Bruce K. Zeller
  • Method and apparatus for separating fine particulate matter from other materials
    Patent number: 8317031
    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: Grant
    Filed: September 12, 2007
    Date of Patent: November 27, 2012
    Assignee: Z Screen LLC
    Inventor: Bruce K. Zeller
  • Method and apparatus for separating excavated material
    Patent number: 7641053
    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: Grant
    Filed: April 13, 2004
    Date of Patent: January 5, 2010
    Inventor: Bruce K. Zeller
  • Method and Apparatus for Separating Excavated Material
    Publication number: 20090008303
    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: May 7, 2008
    Publication date: January 8, 2009
    Inventor: Bruce K. Zeller
  • Method and apparatus for separating fine particulate matter from other materials
    Patent number: 7306104
    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: Grant
    Filed: February 12, 2004
    Date of Patent: December 11, 2007
    Assignee: Z Screen LLC
    Inventor: Bruce K. Zeller
  • Method and apparatus for separating excavated material
    Patent number: 6863182
    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: Grant
    Filed: August 26, 2002
    Date of Patent: March 8, 2005
    Inventor: Bruce K. Zeller
  • Method and apparatus for separating excavated material
    Publication number: 20040206674
    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: April 13, 2004
    Publication date: October 21, 2004
    Inventor: Bruce K. Zeller
  • Method and apparatus for separating excavated material
    Publication number: 20020195379
    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: August 26, 2002
    Publication date: December 26, 2002
    Inventor: Bruce K. Zeller
  • Method and apparatus for separating excavated material
    Patent number: 6439393
    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: Grant
    Filed: February 14, 2000
    Date of Patent: August 27, 2002
    Inventor: Bruce K. Zeller