Patents by Inventor Stephen Scheufele

Stephen Scheufele 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).

  • Patent number: 8313953
    Abstract: An apparatus or method for removing water and concentrating an analyte in solution, wherein the concentrated analyte sample is delivered directly to a vial, such as an autosampler vial that is capable of use in a gas chromatography autosampler.
    Type: Grant
    Filed: February 21, 2012
    Date of Patent: November 20, 2012
    Assignee: Horizon Technologies, Inc.
    Inventors: Robert S. Johnson, Stephen Scheufele
  • Publication number: 20120144897
    Abstract: An apparatus or method for removing water and concentrating an analyte in solution, wherein the concentrated analyte sample is delivered directly to a vial, such as an autosampler vial that is capable of use in a gas chromatography autosampler.
    Type: Application
    Filed: February 21, 2012
    Publication date: June 14, 2012
    Applicant: Horizon Technology, Inc.
    Inventors: Robert S. JOHNSON, Stephen SCHEUFELE
  • Patent number: 8124422
    Abstract: An apparatus or method for removing water and concentrating an analyte in solution, wherein the concentrated analyte sample is delivered directly to a vial, such as an autosampler vial that is capable of use in a gas chromatography autosampler.
    Type: Grant
    Filed: October 29, 2008
    Date of Patent: February 28, 2012
    Assignee: Horizon Technology, Inc.
    Inventors: Robert S. Johnson, Stephen Scheufele
  • Publication number: 20100218594
    Abstract: An apparatus or method for removing water and concentrating an analyte in solution, wherein the concentrated analyte sample is delivered directly to a vial, such as an autosampler vial that is capable of use in a gas chromatography autosampler.
    Type: Application
    Filed: October 29, 2008
    Publication date: September 2, 2010
    Applicant: Horizon Technology, Inc.
    Inventors: Robert S. Johnson, Stephen Scheufele