Patents by Inventor Dale E. Wiltrout

Dale E. Wiltrout 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).

  • Back filter automatic vehicle wash water reclaim system
    Patent number: 4029114
    Abstract: The back filter automatic vehicle wash water reclaim system of the present invention is adapted for receiving drain water from an automatic car wash bay and includes a plurality of pairs of back wash filter tanks which are connected together in a manner which will provide for filter flow in a forward direction through a pair of such tanks and will then provide for reverse flow of the entire flow volume in reverse direction through a single filtering tank to thereby back wash such filtering tank.
    Type: Grant
    Filed: April 26, 1976
    Date of Patent: June 14, 1977
    Assignee: The Allen Group Inc.
    Inventor: Dale E. Wiltrout