Patents by Inventor Dale L. Henegar

Dale L. Henegar 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).

  • Floating aerator having means to vary the length of the draft pipe
    Patent number: 4030859
    Abstract: The invention comprises a water circulator device for circulating the water in a lake, pond, or reservoir. The device comprises a raft having a wind driven shaft mounted thereon for vertical rotation. A mixing chamber is mounted beneath the raft with the upper edge of the chamber above the surface of the lake, pond, or reservoir. The lower end of the shaft has a propellor mounted thereon within the mixing chamber. A pair of vertical telescoping pipes are mounted beneath the chamber of reduced diameter in relation to the chamber.
    Type: Grant
    Filed: September 2, 1975
    Date of Patent: June 21, 1977
    Assignee: Lake Aid Inc.
    Inventor: Dale L. Henegar