Patents by Inventor Winfred B. Rollins

Winfred B. Rollins 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 of charging and hermetically sealing a high pressure gas vessel
    Patent number: 4538395
    Abstract: Apparatus for and method of charging and hermetically sealing a small pressure vessel for confining therein a highly pressurized gas for a shelf life of several years. The vessel has a boss or neck with a very small opening extending longitudinally therethrough defining a fill connection which terminates in a small sharp edged cylindrical lip at its outer extremity into and around which a ductile metal is extruded under pressure for establishing a seal.
    Type: Grant
    Filed: November 24, 1982
    Date of Patent: September 3, 1985
    Inventors: David A. Edmonds, Winfred B. Rollins