Patents by Inventor Ronald Broadbent

Ronald Broadbent 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: 4636264
    Abstract: A process for increasing the anticorrosive properties of an autodeposited coating wherein after the bath but before the curing, metallic chromate salts are formed in situ by first rinsing with metallic non-chromate water soluble salts and then rinsing with a chromium compound.
    Type: Grant
    Filed: November 26, 1985
    Date of Patent: January 13, 1987
    Assignee: Gerhard Collardin GmbH
    Inventors: Lutz Schellenberg, Matthias Hamacher, Ronald Broadbent