Patents by Inventor Richard W. Dennis, II

Richard W. Dennis, II 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).

  • Enhanced time-based proportional control
    Patent number: 6716359
    Abstract: The instant invention is a device and method for its use which includes the addition of a deviation compensation function effective to automatically adjust the offset used in time-based proportional control. Inclusion of this improvement finds particular utility in situations like public pools where daily bather load varies depending on weather and other unpredictable factors.
    Type: Grant
    Filed: August 29, 2000
    Date of Patent: April 6, 2004
    Assignee: United States Filter Corporation
    Inventor: Richard W. Dennis, II