Patents by Inventor Norman J. Beauchemin

Norman J. Beauchemin 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).

  • Paper machine drainage foil with wear-resistant insert
    Patent number: 4004969
    Abstract: Drainage foils are described in two parts, a first part including the drainage surface and means for mounting the foil on a support, and the second part including the land surface and the leading edge. The second part is fitted with wear-resistant material, and is removably fitted to the first part, so that the two parts can be interchanged to facilitate changing foiling angles and land surfaces in a given installation.
    Type: Grant
    Filed: November 5, 1975
    Date of Patent: January 25, 1977
    Assignee: Lodding Engineering Corporation
    Inventor: Norman J. Beauchemin