Patents by Inventor Erik Sarner

Erik Sarner 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).

  • Anaerobic process for microbiological purification of sulphur-containing water
    Patent number: 4966704
    Abstract: A two-step process for microbiological purification of contaminated water, comprising a first step using anaerobic conditions in a reactor having a stationary bed and a biofilm fixed thereon followed by conventional microbiological purification, characterized in that in said first step the water is supplied at the upper end of the reactor and is brought to trickle over the fixed biofilm without drenching the bed and while maintaining a continuous gasphase within the bed.
    Type: Grant
    Filed: March 30, 1989
    Date of Patent: October 30, 1990
    Assignee: AC Biotechnics AB
    Inventor: Erik Sarner