Patents by Inventor Stephen R. Farwell

Stephen R. Farwell 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).

  • Low pressure rupture disk and assembly
    Patent number: 5082133
    Abstract: An improved low pressure reverse buckling rupture disk and assembly are provided. The rupture disk comprises a concave-convex reversible member having a thickness and a configuration such that said member reverses when a predetermined fluid pressure is exerted on the convex side thereof and having one or more reinforcing embossments disposed therein. The rupture disk assembly includes the above-described rupture disk and knife blade means for severing the disk upon its reversal.
    Type: Grant
    Filed: August 1, 1991
    Date of Patent: January 21, 1992
    Assignee: BS&B Safety Systems, Inc.
    Inventors: Stephen R. Farwell, Arnold L. Mundt