Patents by Inventor Robert Nolt

Robert Nolt 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).

  • Rigid non-transparent photoluminescent floor material
    Publication number: 20050158515
    Abstract: A rigid, non-transparent photoluminescent tile having photoluminescent material exposed on a top surface of the tile, wherein the photoluminescent material, including photoluminescent particles and chips, illuminates when the ambient light is removed.
    Type: Application
    Filed: November 19, 2004
    Publication date: July 21, 2005
    Applicant: ND Holdings, Inc.
    Inventor: Robert Nolt
  • Photoluminescent floor tile
    Patent number: 6875989
    Abstract: A photoluminescent tile composition made of a tile base and a matrix of photoluminescent material disbursed throughout the tile base. The tile base includes a non-transparent mineral filler. The photoluminescent material located on exposed surfaces absorb and release light. The same manufacturing methods and equipment used to manufacture conventional floor tile can be used to manufacture floor tiles from the tile composition.
    Type: Grant
    Filed: May 16, 2002
    Date of Patent: April 5, 2005
    Assignee: ND Holdings, Inc.
    Inventor: Robert Nolt
  • Photoluminescent floor tile
    Patent number: 6841785
    Abstract: A photoluminescent tile composition made of a tile base and a matrix of photoluminescent material disbursed throughout the tile base. The tile base includes a non-transparent mineral filler. The photoluminescent material located on exposed surfaces absorb and release light. The same manufacturing methods and equipment used to manufacture conventional floor tile can be used to manufacture floor tiles from the tile composition.
    Type: Grant
    Filed: October 15, 2002
    Date of Patent: January 11, 2005
    Assignee: ND Holdings, Inc.
    Inventor: Robert Nolt
  • Photoluminescent floor tile
    Publication number: 20030215596
    Abstract: A photoluminescent tile composition made of a tile base and a matrix of photoluminescent material disbursed throughout the tile base. The tile base includes a non-transparent mineral filler. The photoluminescent material located on exposed surfaces absorb and release light. The same manufacturing methods and equipment used to manufacture conventional floor tile can be used to manufacture floor tiles from the tile composition.
    Type: Application
    Filed: May 16, 2002
    Publication date: November 20, 2003
    Inventor: Robert Nolt
  • Photoluminescent floor tile
    Publication number: 20030215597
    Abstract: A photoluminescent tile composition made of a tile base and a matrix of photoluminescent material disbursed throughout the tile base. The tile base includes a non-transparent mineral filler. The photoluminescent material located on exposed surfaces absorb and release light. The same manufacturing methods and equipment used to manufacture conventional floor tile can be used to manufacture floor tiles from the tile composition.
    Type: Application
    Filed: October 15, 2002
    Publication date: November 20, 2003
    Inventor: Robert Nolt