Patents by Inventor Donald J. School

Donald J. School 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).

  • Applicator plate for an adhesive applicator of a core-making machine
    Patent number: 6991682
    Abstract: An adhesive applicator for a core-making machine is provided with an applicator plate for applying adhesive to a web. The applicator plate has upstream and downstream faces and a bottom surface which extends from the upstream face beyond the downstream face. The bottom surface is adapted to spread adhesive on a moving web below the bottom surface. The bottom surface forms a narrow wedge-shaped portion with an upper surface which extends away from the downstream face.
    Type: Grant
    Filed: July 17, 2003
    Date of Patent: January 31, 2006
    Assignee: Paper Converting Machine Company
    Inventors: Richard J. Moss, Donald J. School