Patents Assigned to Paul J. T. Waters
  • Two-stage oil bypass filter device
    Patent number: 5843284
    Abstract: A new and improved two-stage oil bypass filter device is provided to enable effective and efficient removal of both solid particulate and volatile oil contaminants while also allowing the addition and mixing of certain oil additives as required by specific internal combustion engine or industrial applications.
    Type: Grant
    Filed: May 2, 1997
    Date of Patent: December 1, 1998
    Assignee: Paul J. T. Waters
    Inventors: Paul J. T. Waters, Scott A. Hahn