Patents by Inventor Allan David Metcalfe

Allan David Metcalfe 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).

  • Publication number: 20140317998
    Abstract: Methods and systems for processing crude oil may include adding water to crude oil, for example, in a desalter, to produce hydrocarbon and brine and a rag layer emulsion, which may include hydrocarbon and brine and solids. The emulsion may be modified, including adding one or more of additional hydrocarbon and, a demulsifier, a reverse demulsifier, a coagulant, and a flocculant, for example, in a mixer. The modified emulsion may be directed through a dead-end filter assembly to remove solids.
    Type: Application
    Filed: April 30, 2013
    Publication date: October 30, 2014
    Applicant: Pall Corporation
    Inventors: Allan David Metcalfe, Francois Levesque, Hanif M Lakhani