Patents by Inventor Melody L. Thompson

Melody L. Thompson 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).

  • Variable split sampler for air monitoring
    Patent number: 6640654
    Abstract: An apparatus for controllably varying the sample volume for each of a plurality of sample lines used with air monitoring equipment is disclosed. The sample volume is varied depending on the compound or compounds of interest sampled through each line. The flow volume from each sample line is determined and controlled by proportional time that an electrically actuated valve is open for that sampling line.
    Type: Grant
    Filed: July 29, 2002
    Date of Patent: November 4, 2003
    Assignee: O.I. Corporation
    Inventors: Kenneth A. Kuhn, Donald P. Segers, Melody L. Thompson
  • Variable split sampler for air monitoring
    Publication number: 20020184957
    Abstract: An apparatus for controllably varying the sample volume for each of a plurality of sample lines used with air monitoring equipment is disclosed. The sample volume is varied depending on the compound or compounds of interest sampled through each line. The flow volume from each sample line is determined and controlled by proportional time that an electrically actuated valve is open for that sampling line.
    Type: Application
    Filed: July 29, 2002
    Publication date: December 12, 2002
    Inventors: Kenneth A. Kuhn, Donald P. Segers, Melody L. Thompson