Patents by Inventor David L. Johnson, Jr.

David L. Johnson, Jr. 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).

  • Publication number: 20200256571
    Abstract: A method and system for supplying fresh outdoor air into a building structure is disclosed. The method includes monitoring indoor and outdoor temperatures and selectively injecting fresh outside air into a supply line based upon the monitoring. Embodiments include injecting the fresh air using an injection duct within the supply line downstream of a forced air device.
    Type: Application
    Filed: February 7, 2020
    Publication date: August 13, 2020
    Inventors: David L. Johnson, Jr., David L. Johnson, Sr.