Patents by Inventor Dennis L. Harvey

Dennis L. Harvey 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).

  • Method and means for making constant cross sectional area pultruded fiber reinforced polymeric articles.
    Patent number: 4445957
    Abstract: A novel method and means are provided for making constant cross sectional area, pultruded, filament-reinfored articles, such as automotive leaf springs, the shapes of which vary along their lengths. The invention features a specially adapted shaping die for the pultrusion process comprising two pairs of spaced apart die members. The die members and die pairs are mechanically linked so that the spacing between pair members can be changed while the cross sectional area of the die opening remains constant.
    Type: Grant
    Filed: November 22, 1982
    Date of Patent: May 1, 1984
    Assignee: General Motors Corporation
    Inventor: Dennis L. Harvey