Patents by Inventor L. Wallen

L. Wallen 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).

  • AUTOMATED SOLVENT EVAPORATION SYSTEM
    Publication number: 20070193871
    Abstract: A system provides for automated control of solvent evaporation, such as may be done for solvent exchange in a solvent that contains analytes or extractants. The automated control is able to ascertain and take appropriate action when a solvent is boiling, when the extractants are free or dry of the solvent, and when there is thermal cycling of the solvent.
    Type: Application
    Filed: February 16, 2007
    Publication date: August 23, 2007
    Inventors: Jeffrey Wiseman, L. Wallen