Patents by Inventor Earl B. Damron

Earl B. Damron 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).

  • Filtration system
    Patent number: 5415774
    Abstract: A water filtration device is disclosed which, in one aspect, has a hollow device body with filter apparatus therein. The device body is removably nested in a device extender which, upon removal from the device body is invertible and re-emplaceable on the device body to provide an extended member for facilitating the scooping water to be flowed through the device. With appropriate filter media in the hollow device body, potable water is produced. A system is disclosed including the device body, device extender, and a water container securable beneath the device body to receive and store the purified water flowing from the device body.
    Type: Grant
    Filed: September 2, 1993
    Date of Patent: May 16, 1995
    Assignee: Greenland Industries, Inc.
    Inventors: Fredrick J. Cowan, Earl B. Damron, Larry W. Johnson, Shelby L. Howell