Patents by Inventor Ronald James Anders

Ronald James Anders 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).

  • Segmented hub for retaining the spacer ring of a two piece gate valve
    Patent number: 4098489
    Abstract: A two piece gate valve of the type having the gate discs operatively spaced by an annular spacer ring of predetermined width includes intermeshing lug on the juxtaposed surfaces of the discs forming a segmented circular hub interiorally bounding the spacer ring and expandable to accommodate spacer rings of varying predetermined widths.
    Type: Grant
    Filed: August 17, 1976
    Date of Patent: July 4, 1978
    Assignee: Rockwell International Corporation
    Inventors: Ronald James Anders, Ramesh Mohan