Patents by Inventor Charles Mabry

Charles Mabry 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).

  • Liner for use in corrosive and abrasive fluid pump and method of making same
    Patent number: 5617773
    Abstract: The present invention addresses the need for a liner with a hard inner surface and a machinable outer surface for use in a pump for abrasive or corrosive materials. According to one embodiment, the present invention provides technical advantages not previously seen in a corrosive or abrasive fluid pump liner comprising a cylindrical sleeve and a cylindrical shell around the sleeve, the shell comprising iron.
    Type: Grant
    Filed: November 7, 1995
    Date of Patent: April 8, 1997
    Inventors: Alan Craft, Charles Mabry