Patents by Inventor Paul Koos

Paul Koos 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: 7972519
    Abstract: The present invention relates to a purification device for the purification of a liquid such as water, preferably drinking water, which purification device comprises at least one casing (1) having at least one insert (10), said casing (1) having at least one inlet (8) and at least one outlet (9) for the liquid and said insert (10) comprising at least one filter (15) located in a flow path of the liquid. The purification device comprises at least one galvanic couple (12, 14) located in said flow path. The present invention also relates to an insert and a method of purifying a liquid.
    Type: Grant
    Filed: July 1, 2005
    Date of Patent: July 5, 2011
    Assignee: Nordaq Water Filter Systems AB
    Inventors: Paul Koos, Robert Hahmann, Paulina Koos
  • Publication number: 20070251887
    Abstract: The present invention relates to a purification device for the purification of a liquid such as water, preferably drinking water, which purification device comprises at least one casing (1) having at least one insert (10), said casing (1) having at least one inlet (8) and at least one outlet (9) for the liquid and said insert (10) comprising at least one filter (15) located in a flow path of the liquid. The purification device comprises at least one galvanic couple (12, 14) located in said flow path. The present invention also relates to an insert and a method of purifying a liquid.
    Type: Application
    Filed: July 1, 2005
    Publication date: November 1, 2007
    Applicant: NORDAQ WATER FILTER SYSTEMS AB
    Inventors: Paul Koos, Robert Hahmann, Paulina Koos