Patents by Inventor Ward Metzler

Ward Metzler 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).

  • HIGHLY ABRASION-RESISTANT IONOMER PIPES
    Publication number: 20090107572
    Abstract: A pipe or tube article is disclosed that comprises an innermost layer wherein the innermost layer has a thickness of about 6.3 to about 102 mm and comprises an ionomer composition prepared from an acid polymer comprising an ?-olefin having 2 to 10 carbons and about 5 to about 25 weight % based on the total weight of the acid polymer of an ?,?-ethylenically unsaturated carboxylic acid having 3 to 8 carbons; and about 5 to about 90% of the carboxylic acids are neutralized with a metal ion to provide long lifetime, highly abrasion-resistant pipes for mining and other transportation uses. Methods for preparing the article and transporting abrasive materials through the article are also described.
    Type: Application
    Filed: October 31, 2008
    Publication date: April 30, 2009
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Richard Allen Hayes, Mark B. Kelly, Ward Metzler
  • Method and system for managing commodity information in a supply chain of production
    Publication number: 20060100939
    Abstract: The invention pertains to a method and system for managing commodity information as a commodity flows through a supply chain of production.
    Type: Application
    Filed: June 5, 2003
    Publication date: May 11, 2006
    Inventors: Rejean Boyer, Rod Perry, Ward Metzler