Patents by Inventor Peter Harold WREDE

Peter Harold WREDE 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).

  • Publication number: 20170217802
    Abstract: A method of removing barium and naturally occurring radioactive material from produced water. The method includes pretreating the produced water having a pH in a range of from about 4.0 to about 10.0 with a sulfate source to form a suspension of barium sulfate, radium sulfate, or a combination thereof, treating the pretreated produced water with an anionic flocculant and gravitational])? separating the treated produced water from the barium sulfate, radium sulfate, or a combination thereof.
    Type: Application
    Filed: March 9, 2015
    Publication date: August 3, 2017
    Inventors: William Leonard KOSTEDT, IV, Vicki Herzl WATKINS, James Manio SILVA, Rachel Marie GETTINGS, Peter Harold WREDE