Patents by Inventor Kjartan Kramer

Kjartan Kramer 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).

  • Method and apparatus for drying of materials containing volatile components
    Patent number: 5899003
    Abstract: A method and apparatus for drying of a material containing a volatile component, in which the material is disposed in a bed in a drying zone which is in communication with a closed circuit in which a gaseous drying medium is circulated. Associated with the drying gone is a closed heat pump system including a compressor, at least one condenser in the drying zone, a super heat exchanger and a working medium. The drying zone is supplied with super heat from the super heat exchanger, and the condenser is supplied with working medium from a super heat exchanger, thereby increasing the temperature in the drying zone.
    Type: Grant
    Filed: October 30, 1996
    Date of Patent: May 4, 1999
    Assignee: Sinvent AS
    Inventors: Ingvald Strommen, Kjartan Kramer, Ola Jonassen