Patents by Inventor Carl L. Schackelford

Carl L. Schackelford 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).

  • Solvent mixing chamber for a liquid chromatography system
    Patent number: 4882062
    Abstract: A liquid chromatography system mixing chamber having a motor-driven magnet situated beside an interior compartment wherein one or more stirring magnets are disposed for mixing solvents fed to the mixing chamber by appropriate metering pumps. A fitting is provided having an expandable ring seal, the fitting being insertable into the interior compartment for effecting a high-pressure seal for preventing leakage of the solvent mixture, while enabling access to the interior of the mixing chamber for maintenance purposes without the need for a tool.
    Type: Grant
    Filed: April 29, 1988
    Date of Patent: November 21, 1989
    Assignee: Rainin Instrument Co., Inc.
    Inventors: Roy P. Moeller, Carl L. Schackelford