Patents by Inventor David W. Kinkead

David W. Kinkead 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).

  • Apparatus for automatically maintaining a predetermined desired level of water in a swimming pool, and the like
    Patent number: 4724552
    Abstract: An apparatus for automatically monitoring the level of water in a swimming pool, or the like, by monitoring the level of a float within a float chamber supported by water siphoned from the pool system, for detecting when the level of water has fallen a predetermined amount or distance below a predetermined desired level and for controlling the input of fresh water into the pool system in response to the detected level for restoring the water in the pool to the predetermined desired level as determined by the position of the float on the siphoned water within the float chamber being restored to a float position indicative of said predetermined desired level of water in the pool.
    Type: Grant
    Filed: June 4, 1986
    Date of Patent: February 16, 1988
    Assignee: Aqua Systems, Inc.
    Inventors: Clifford W. Kinkead, David W. Kinkead
  • Method and apparatus for automatically maintaining a predetermined desired level of water in a swimming pool, and the like
    Patent number: 4686718
    Abstract: An improved method and apparatus for automatically monitoring the level of water in a swimming pool, or the like, by monitoring the level of a float within a float chamber supported by water siphoned from the pool system, for detecting when the level of water has fallen a predetermined amount or distance below a predetermined desired level and for controlling the input of fresh water into the pool system in response to the detected level for restoring the water in the pool to the predetermined desired level as determined by the position of the float on the siphoned water within the float chamber being restored to a float position indicative of said predetermined desired level of water in the pool.
    Type: Grant
    Filed: March 25, 1985
    Date of Patent: August 18, 1987
    Assignee: Aqua Systems, Inc.
    Inventors: Clifford W. Kinkead, David W. Kinkead