Patents Assigned to Welex Environmental, Inc.
  • Hazardous materials spillage inhibitor for use with service station fuel filters
    Patent number: 5169541
    Abstract: Apparatus and methods are described for inhibiting the unintentional spillage of hazardous materials, particularly while changing filters or other storage media in environments such as service station fuel dispensers and other fuel depots. A preferred embodiment includes mechanisms for permanently attaching such apparatus and securing the same against unintended rotational or translational displacement, as well as collecting and diverting mechanisms and mechanisms to inhibit the improper removal of such filters or storage media.
    Type: Grant
    Filed: November 8, 1991
    Date of Patent: December 8, 1992
    Assignee: Welex Environmental, Inc.
    Inventor: Thomas L. Wells