Patents by Inventor Michael A. Stead

Michael A. Stead 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: 8763856
    Abstract: A method for distributing powdered and liquid chemicals. The method includes introducing water into an upper end of a measuring chamber, injecting liquid chemical through an inlet located at a lower end of the measuring chamber into a chemical chamber that is fluidly coupled to a lower end of the measuring chamber until a desired volume of the liquid chemical has been introduced, pumping the desired volume of liquid chemical and at least some of the water to a washer, inserting water and a desired dose of a powdered chemical into the upper end of the measuring chamber, and transporting the powdered chemical and at least some of the water to the washer.
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: July 1, 2014
    Assignee: Diversey, Inc.
    Inventors: James W. Livingston, Michael A. Stead, Scott D. E. Alhart