Patents by Inventor David Lawrence HARMON

David Lawrence HARMON 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).

  • Portable automatic air sampling device and method of collecting air samples therefrom
    Patent number: 11268886
    Abstract: An air sampling device is provided. The air sampling device has a housing with an air inlet and an air outlet, an air pump in gaseous communication with the air inlet and air outlet, and a carrier having a first face and a second opposing face. The carrier includes a plurality of receptacles disposed in a circumferential pattern and configured to receive a sample tube. The device includes a first plate disposed adjacent to and substantially covering the first face of the carrier, wherein the first plate comprises a first sample opening. The device includes a second plate disposed adjacent to and substantially covering the second face of the carrier. The second plate comprises a second sample opening that is circumferentially aligned with the first sample opening to define a circumferential sample position. The device intermittently indexes a receptacle of the carrier into the circumferential sample position.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: March 8, 2022
    Assignee: The Procter & Gamble Company
    Inventors: Christine Marie Readnour-Gouge, Kevin Arthur Tewell, Freddie Kendall, Jr., David Lawrence Harmon
  • PORTABLE AUTOMATIC AIR SAMPLING DEVICE AND METHOD OF COLLECTING AIR SAMPLES THEREFROM
    Publication number: 20200408649
    Abstract: An air sampling device is provided. The air sampling device has a housing with an air inlet and an air outlet, an air pump in gaseous communication with the air inlet and air outlet, and a carrier having a first face and a second opposing face. The carrier includes a plurality of receptacles disposed in a circumferential pattern and configured to receive a sample tube. The device includes a first plate disposed adjacent to and substantially covering the first face of the carrier, wherein the first plate comprises a first sample opening. The device includes a second plate disposed adjacent to and substantially covering the second face of the carrier. The second plate comprises a second sample opening that is circumferentially aligned with the first sample opening to define a circumferential sample position. The device intermittently indexes a receptacle of the carrier into the circumferential sample position.
    Type: Application
    Filed: June 24, 2020
    Publication date: December 31, 2020
    Inventors: Christine Marie READNOUR-GOUGE, Kevin Arthur TEWELL, Freddie KENDALL, JR., David Lawrence HARMON