Patents by Inventor Edwin F. Zimmer

Edwin F. Zimmer 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).

  • Padding press
    Patent number: 3986447
    Abstract: An improved padding press for holding under pressure a plurality of sheets of paper and cardboard backers while the backs are being glued together to form individual pads, providing a support rack, a pressing mechanism and a plurality of insertable padding racks which enable said support rack and pressing mechanism to be utilized continuously in the padding process. While pads in one insertable padding rack are being glued and dried, another batch can be aligned and pressed in another insertable padding rack.
    Type: Grant
    Filed: February 10, 1975
    Date of Patent: October 19, 1976
    Assignee: Zimmer Industries, Inc.
    Inventor: Edwin F. Zimmer