Patents by Inventor Douglas M. Chartier

Douglas M. Chartier 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: 20090324820
    Abstract: A chemical and associated systems and methods for creating a gas barrier and microbiologically resistant coating consisting of a quaternary ammonium salt, nano-clay and oxygen scavenger to protect metallic surfaces from microbiologically influenced corrosion, oxygen and acid gas (hydrogen sulfide and carbon dioxide) corrosive processes.
    Type: Application
    Filed: June 26, 2009
    Publication date: December 31, 2009
    Inventor: Douglas M. Chartier
  • Patent number: 6841125
    Abstract: The present invention relates to the application of a coating to a pipeline, FPS (Fire Protection System) or to pipe stock from which a pipeline is fabricated. A composition which when applied to the inside surface of the pipe prevents either chemical corrosion or microbiologically influenced corrosion is disclosed. Also disclosed is a method for utilizing this material to protect both existing pipelines and the raw stock used to construct pipelines and various apparatus for applying a coating of the composition, cleaning, and maintenance of the passive coating. Also disclosed is a method to recycle the composition to be used in other industrial pacification processes.
    Type: Grant
    Filed: January 15, 2003
    Date of Patent: January 11, 2005
    Assignee: WHI USA, Inc.
    Inventors: Douglas M. Chartier, Calvin L. Reid
  • Patent number: 6517617
    Abstract: The present invention relates to the application of a coating to a pipeline, FPS (Fire Protection System) or to pipe stock from which a pipeline is fabricated. A composition which when applied to the inside surface of the pipe prevents either chemical corrosion or microbiologically influenced corrosion is disclosed. Also disclosed is a method for utilizing this material to protect both existing pipelines and the raw stock used to construct pipelines and various apparatus for applying a coating of the composition, cleaning, and maintenance of the passive coating. Also disclosed is a method to recycle the composition to be used in other industrial pacification processes.
    Type: Grant
    Filed: September 20, 2001
    Date of Patent: February 11, 2003
    Assignee: WHI USA, Inc.
    Inventors: Douglas M. Chartier, Calvin L. Reid