Patents by Inventor Lawrence W. Trainor, deceased

Lawrence W. Trainor, deceased 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 improving probertite concentration in probertite containing ore
    Patent number: 4510048
    Abstract: A process for recovering a probertite concentrate from ore in which the major borate mineral is probertite which comprises crushing the ore, desliming at 14 to 20 microns and floating the deslimed ore to recover the concentrate.
    Type: Grant
    Filed: September 26, 1983
    Date of Patent: April 9, 1985
    Assignee: Owens-Corning Fiberglas Corporation
    Inventors: Anh Mai, Donald J. Kaczynski, Lawrence W. Trainor, deceased
  • Process for recovery of colemanite and probertite from mixed low grade ore
    Patent number: 4510049
    Abstract: A method of producing concentrates of colemanite and probertite from mixed low grade ore which involves desliming at different particle sizes for colemanite and probertite recovery.
    Type: Grant
    Filed: September 26, 1983
    Date of Patent: April 9, 1985
    Assignee: Owens-Corning Fiberglas Corporation
    Inventors: Anh Mai, Donald J. Kaczynski, Lawrence W. Trainor, deceased