Patents by Inventor Gregory L. Sidener

Gregory L. Sidener 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: 6830095
    Abstract: A plug for sealing and resealing the passages for heating and cooling liquid in a casting mold. The plug includes a stainless steel socket head NPT plug which is screwed into the passage to seal it. Inboard of the plug there is mounted a resilient expandable silicone tubular element that is expanded by squeezing it to further seal the passage.
    Type: Grant
    Filed: May 5, 2003
    Date of Patent: December 14, 2004
    Assignee: Sidener Engineering Company, Inc.
    Inventors: Gregory L. Sidener, Douglas A. Webster
  • Publication number: 20040221980
    Abstract: A plug for sealing and resealing the passages for heating and cooling liquid in a casting mold. The plug includes a stainless steel socket head NPT plug which is screwed into the passage to seal it. Inboard of the plug there is mounted a resilient expandable silicone tubular element that is expanded by squeezing it to further seal the passage.
    Type: Application
    Filed: May 5, 2003
    Publication date: November 11, 2004
    Inventors: Gregory L. Sidener, Douglas A. Webster