Patents by Inventor Karl Erik B. SELVIG

Karl Erik B. SELVIG 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: 20210008500
    Abstract: Apparatus and methods for use in water processing include housing sections that house in their interiors water treating membranes, the respective interiors being separate from one another. A distributor chamber for containing a flow of water to be treated conveys water to be treated from a feed inlet and distributes the water to be treated into the interiors of the housing sections. A collector chamber for collecting treated water from the interiors of the housing sections is provided to communicate a merged flow of the treated water to an extraction outlet.
    Type: Application
    Filed: March 28, 2019
    Publication date: January 14, 2021
    Applicant: National Oilwell Varco Norway AS
    Inventors: David PINCHIN, Karl Erik B. SELVIG