Patents Assigned to Bigbee Steel and Tank Company
  • Method for making a liquid storage tank
    Patent number: 6627136
    Abstract: A method for making a liquid storage tank for holding chemicals and heating oil and water and liquids compatible with high-density polyethylene. The tank is lap welded with a perforation in the lap weld and contains a molded polyethylene lining inside the tank.
    Type: Grant
    Filed: April 30, 2001
    Date of Patent: September 30, 2003
    Assignee: Bigbee Steel and Tank Company
    Inventor: Charles A. Frey, Jr.