Patents by Inventor Paul W. Lovell

Paul W. Lovell 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 for curing concrete products
    Patent number: 3957937
    Abstract: This invention relates to a method for curing concrete products.The method comprises the steps of subjecting the products to be cured to a steam of a given temperature to produce partial hydration of the products, then subjecting the products to steam of a different temperature, and finally subjecting the products to cooled air, all for predetermined periods of time.
    Type: Grant
    Filed: April 23, 1974
    Date of Patent: May 18, 1976
    Assignee: Cyclamatic, Inc.
    Inventor: Paul W. Lovell