Patents by Inventor Robert J. Bealky

Robert J. Bealky 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).

  • Pressurized gas vessel having internal chemical surface
    Patent number: 5928743
    Abstract: A pressurized vessel filled with a high purity gas, said vessel having a polymeric coating covering its internal surfaces;said high purity gases selected from the group consisting of hydrogen chloride, tungsten hexafluoride, chlorine, hydrogen bromide, nitrogen trifluoride, silanes and boron trichloride;said vessel filled with gas pressure from about 200 psig to about 6,000 psig; and the material for said polymeric coating selected from the group of polyperfluoroalkoxyethylene, copolymer of ethylene and chlorotrifluoroethylene and copolymer of ethylene and tetrafluoroethylene.
    Type: Grant
    Filed: July 24, 1997
    Date of Patent: July 27, 1999
    Assignee: PurePak Technology Corporation
    Inventors: Robert J. Bealky, Michael A. Dodd, Thomas J. Moyers, II