Patents by Inventor Douglas S. Lance

Douglas S. Lance 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).

  • Welding wire payout drum
    Publication number: 20040211851
    Abstract: A welding wire payout drum comprising an outer cylindrical sleeve with an internal diameter and having a top opening with a central wire supporting stem in said drum. The stem has a cylindrical body generally concentric with the cylindrical sleeve of the drum and an upper guide ring near the top opening of the drum. The guide ring has an outer circular perimeter with a diameter less than the internal diameter of the sleeve wherein the upper guide ring has a downwardly decreasing contoured underside shape between the perimeter and the cylindrical body of the stem.
    Type: Application
    Filed: April 24, 2003
    Publication date: October 28, 2004
    Applicant: Lincoln Global , Inc.
    Inventors: David J. Barton, Christopher Hsu, Otto Ferguson, Douglas S. Lance