Patents by Inventor Frederic Schweighardt

Frederic Schweighardt 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).

  • Publication number: 20080053965
    Abstract: A method and apparatus of forming a shielding gas mixture at a worksite includes providing a first gas in a liquefied state; providing a second gas in a gaseous state; vaporizing the first gas to a gaseous state; and blending the first gas with the second gas to form the shielding gas mixture.
    Type: Application
    Filed: December 19, 2006
    Publication date: March 6, 2008
    Inventors: Scott Laymon, Frederic Schweighardt