Patents by Inventor James V. Middleton

James V. Middleton 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).

  • Cascade rinsing system and method
    Patent number: 3938214
    Abstract: A rinsing system for steel strip after acid pickling comprises a plurality of consecutive adjacent rinse compartments, each of which contains a bath of rinse solution which is sprayed onto the strip as it passes through the compartment. Fresh water is added to the last compartment and a volume of solution equivalent to the added fresh water is continuously transferred from each compartment to an adjacent compartment. A concentrated waste rinse effluent is removed from the first compartment.
    Type: Grant
    Filed: January 14, 1974
    Date of Patent: February 17, 1976
    Assignee: Inland Steel Company
    Inventors: John B. Hodsden, James V. Middleton, Edmund W. James