Patents by Inventor Per Gerhard Grini

Per Gerhard Grini 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).

  • CLEANING OF OIL-IN-WATER MONITORS
    Publication number: 20130081659
    Abstract: An oil-in-water monitor cleaning apparatus includes a nozzle configured to direct pressurized cleaning fluid at an optical window.
    Type: Application
    Filed: October 4, 2011
    Publication date: April 4, 2013
    Applicant: Statoil Petroleum AS
    Inventors: Per Gerhard Grini, Harald Kallevik