Patents by Inventor Christopher Mangold

Christopher Mangold 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).

  • Process for grinding and coloring woodchips
    Patent number: 6412530
    Abstract: A process for producing a colored wood product, comprising the steps of grinding wood in a mill until a wood compact is formed, sieving the wood compact, spraying the sieved wood compact with an aqueous solution of colorant, immersing the wood compact in a bath of aqueous solution of colorant while simultaneously moving the wood compact with a multiplicity of counterrotating augers, and then removing the wood compact from said bath. The mill preferably contains a rotor with several cutters disposed about its periphery.
    Type: Grant
    Filed: September 15, 2000
    Date of Patent: July 2, 2002
    Assignee: Mangold Recycling Inc.
    Inventor: Christopher Mangold
  • Process for grinding and coloring wood chips
    Patent number: 6321804
    Abstract: A process for producing a colored wood product, comprising the steps of grinding wood in a mill until a wood compact is formed, sieving the wood compact, spraying the sieved wood compact with an aqueous solution of colorant, immersing the wood compact in a bath of aqueous solution of colorant while simultaneously moving the wood compact with a multiplicity of counterrotating augers, and then removing the wood compact from said bath.
    Type: Grant
    Filed: April 8, 2000
    Date of Patent: November 27, 2001
    Assignee: Mangold Recycling Inc.
    Inventor: Christopher Mangold