Patents by Inventor Jan Hendrik Phillipus Jacobs

Jan Hendrik Phillipus Jacobs 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).

  • Treatment of acid mine drainage
    Patent number: 9487419
    Abstract: A method for treating acid mine drainage includes mixing acid mine drainage (20) and alkaline tailings from a gold recovery process (140). The acid mine drainage is thereby neutralized (12).
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: November 8, 2016
    Assignee: MINTAILS MINING S A (PTY) LIMITED
    Inventors: Jan Hendrik Phillipus Jacobs, Robert George Freeman
  • TREATMENT OF ACID MINE DRAINAGE
    Publication number: 20150041404
    Abstract: A method for treating acid mine drainage includes mixing acid mine drainage (20) and alkaline tailings from a gold recovery process (140). The acid mine drainage is thereby neutralized (12).
    Type: Application
    Filed: March 12, 2013
    Publication date: February 12, 2015
    Applicant: MINTAILS MINNING SA (PTY) LIMITED
    Inventors: Jan Hendrik Phillipus Jacobs, Robert George Freeman