Patents by Inventor Joseph G. Katzel

Joseph G. Katzel 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).

  • Patent number: 5108655
    Abstract: This invention relates to a system for monitoring and controlling foam in a liquid tank utilizing a foam level sensing device positioned at a downstream location from a defoaming agent delivery arrangement. The foam level sensing device comprises a float having a plurality of foam sensors positioned at various levels above the float and provides signals to a control device regarding the level of foam in the tank. The control device provides instructions to the defoaming agent delivery arrangement so to provide a proper amount of defoaming agent to the tank. The defoaming agent delivery arrangement may be operated continuously and includes a backup delivery device for times when the delivery means runs out of defoaming agent or at times when foam is generated at an exceptional rate.
    Type: Grant
    Filed: May 30, 1989
    Date of Patent: April 28, 1992
    Assignees: Electro-System, Incorporated, Ross Chem, Incorporated
    Inventors: Joseph W. Johns, Jr., Joseph G. Katzel