Patents by Inventor Daniel R. Matlick

Daniel R. Matlick 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).

  • Patent number: 9688559
    Abstract: The present invention relates in general to a process of removing phosphorus in various forms of suspended solids or dissolved ions, fluoride, and arsenic impurities from water streams in a multi-stage procedure via the use of additives, pH control, and physical separation, resulting in a water stream with <50 ppb phosphorus, <3 ppm fluoride, and <1 ppm arsenic.
    Type: Grant
    Filed: June 12, 2015
    Date of Patent: June 27, 2017
    Assignee: Pattison Sand Company
    Inventors: David A. Aubry, Daniel R. Matlick