Patents by Inventor David Leroy Carlton

David Leroy Carlton 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).

  • Patent number: 7008599
    Abstract: A filtration assembly operable in connection with a crystal form screening workstation that provides for automated crystal form screening is disclosed. The assembly includes first and second valves, with each valve having an internal passage and first, second and third ports. A filter line is interposed between the first and second valves in fluid communication with the second port of the first valve and the second port of the second valve. A filter medium is in disposed in or at the end of the filter line and adapted to filter a drug-containing suspension flowing through the filter line. The filter medium is operable to filter fluids under both positive and negative pressure conditions.
    Type: Grant
    Filed: May 9, 2000
    Date of Patent: March 7, 2006
    Assignee: SmithKline Beecham Corporation
    Inventors: David Leroy Carlton, Om Parkash Dhingra, David Harlan Igo, Phillip William Waters