Patents by Inventor Daniel J. Batdorf

Daniel J. Batdorf 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: 5098498
    Abstract: A method and apparatus for encapsulating a porous article in plastic film without employing supporting molds. The article is deposited onto a lower web and an upper web is moved into overlying position. The edges of the webs are gripped by moving teeth to move the webs and the article in unison. The webs are then pinched together adjacent the article to form an enclosed volume. The film is heated to its fusing temperature and the enclosed volume is evacuated through a tube inserted through the lower web and into the article. The tube is removed and the fused webs are trimmed adjacent the edges of the article, resulting in an encapsulated article.
    Type: Grant
    Filed: October 10, 1989
    Date of Patent: March 24, 1992
    Assignee: Manville Corporation
    Inventors: Steven E. Hale, James W. Sherman, Daniel J. Batdorf