Patents by Inventor Gerbig W. Van Der Woude

Gerbig W. Van Der Woude 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 core removal from molded products
    Patent number: 5262100
    Abstract: A method of removing a core from a molded product in which the core is formed of a particulate inert material, such as sand, bound together by a cured water soluble binder. The binder is cured by heat. The core and molded product are exposed to water, preferably heated water in a bath or steam, after the product has been molded to rapidly disintegrate the core and remove it from the molded product.
    Type: Grant
    Filed: December 9, 1991
    Date of Patent: November 16, 1993
    Assignee: Advanced Plastics Partnership
    Inventors: Timothy M. Moore, Gerbig W. Van Der Woude