Patents by Inventor Karsten Odland

Karsten Odland 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).

  • Ion exchange regeneration
    Patent number: 3977968
    Abstract: An improvement in closed cycle regeneration of sodium zeolite water softeners using sodium chloride soft brine input which comprises correlating the volume of liquid through the zeolite softener column so that in the effluent the alkaline earth metal content calculated as calcium carbonate has a maximum value of about 16,000 ppm. The sodium chloride soft brine input is selected as 8-12% with optimum 10%.
    Type: Grant
    Filed: June 19, 1975
    Date of Patent: August 31, 1976
    Assignee: Nalco Chemical Company
    Inventor: Karsten Odland