Patents by Inventor Eric Jan Stuart

Eric Jan Stuart 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: 3961032
    Abstract: A method for preventing the formation of boiler scale from after treating gases produced in steel-making by adding to the wash water through which the gases pass a solution containing from 0.5 to 2% by weight HCl and from 100 to 150 grams Fe.sup.+.sup.+ ions per liter. The rate of addition of the solution being such that H.sup.+ and Fe.sup.+.sup.+ ions are supplied to the water in constant amounts per unit time.
    Type: Grant
    Filed: December 11, 1974
    Date of Patent: June 1, 1976
    Assignee: Hoogovens Ijmuiden, B.V.
    Inventors: Jacobus Cornelis Vermeulen, Eric Jan Stuart