Patents by Inventor Marshall C. Edward

Marshall C. Edward 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: 8846585
    Abstract: Defoamer compositions are disclosed and methods for making and using same, where the defoamer has universal applicability at low concentrations. The defoamer compositions include between 40 vol. % and about 80 vol. % distilled water (other waters may be used instead), 10 vol. % and about 30 vol. % of silicon anti-foam agent and between about 10 vol. % and about 30 vol. % of active silicon anti-foam agent. The defoamer compositions are used in amount of less than or equal to 200 ppm in all foamed downhole fluid systems.
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: September 30, 2014
    Assignee: Clearwater International, LLC
    Inventors: Olusegun Matthew Falana, Marshall C. Edward, Frank Zamora
  • Publication number: 20120071370
    Abstract: Defoamer compositions are disclosed and methods for making and using same, where the defoamer has universal applicability at low concentrations. The defoamer compositions include between 40 vol. % and about 80 vol. % distilled water (other waters may be used instead), 10 vol. % and about 30 vol. % of silicon anti-foam agent and between about 10 vol. % and about 30 vol. % of active silicon anti-foam agent. The defoamer compositions are used in amount of less than or equal to 200 ppm in all foamed downhole fluid systems.
    Type: Application
    Filed: September 17, 2010
    Publication date: March 22, 2012
    Applicant: CLEARWATER INTERNATIONAL, LLC
    Inventors: Olusegun Matthew Falana, Marshall C. Edward, Frank Zamora