Patents by Inventor Hugo Hoije

Hugo Hoije 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).

  • Method of preparing a steel surface for painting or enamelling
    Patent number: 4184928
    Abstract: A method of preparing a steel surface for painting or enamelling in which the surface is coated with a tin-zinc alloy by electrodeposition from an aqueous electrolyte containing zinc sulphamate, tin sulphate and sulphamic acid.
    Type: Grant
    Filed: August 30, 1978
    Date of Patent: January 22, 1980
    Assignee: HH-Produkter, Magnusson & Co.
    Inventor: Hugo Hoije