Patents by Inventor Stephen Thomas Wellinghoff

Stephen Thomas Wellinghoff 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).

  • Spiral, microchanneled chromatographic column and detection systems
    Patent number: 8636957
    Abstract: The present disclosure relates to a spirally wrapped chromatographic structure, a system incorporating such structure and a method of providing such structure. The structure may include an absorber layer having a first surface and a second surface, wherein one or a plurality of channels are defined in the first surface. The structure may also include a support layer having a first surface and a second surface, the first surface of the support layer disposed on the second surface of the absorber layer, wherein the absorber layer and the support layer comprise a spiral configuration such that at least a portion of the first surface of the absorber layer contacts at least a portion of the second surface of the support layer.
    Type: Grant
    Filed: May 7, 2009
    Date of Patent: January 28, 2014
    Assignee: Southwest Research Institute
    Inventors: Stephen Thomas Wellinghoff, Kent Edward Coulter
  • Spiral, Microchanneled Chromatographic Column And Detection Systems
    Publication number: 20100281948
    Abstract: The present disclosure relates to a spirally wrapped chromatographic structure, a system incorporating such structure and a method of providing such structure. The structure may include an absorber layer having a first surface and a second surface, wherein one or a plurality of channels are defined in the first surface. The structure may also include a support layer having a first surface and a second surface, the first surface of the support layer disposed on the second surface of the absorber layer, wherein the absorber layer and the support layer comprise a spiral configuration such that at least a portion of the first surface of the absorber layer contacts at least a portion of the second surface of the support layer.
    Type: Application
    Filed: May 7, 2009
    Publication date: November 11, 2010
    Applicant: Southwest Research Institute
    Inventors: Stephen Thomas Wellinghoff, Kent Edward Coulter