Patents by Inventor Kjell B. Petersen

Kjell B. Petersen 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 arrangement for melting of pitch etc.
    Patent number: 4328787
    Abstract: Heated molten material is circulated in a closed cycle between a heater and a storage tank. The heater is controlled to maintain the temperature of the circulating fluid at a predetermined level. A replenishment supply of solid material to be melted is mixed with the heated fluid during retention in a melting container during the circulation from heater to storage tank.
    Type: Grant
    Filed: June 1, 1979
    Date of Patent: May 11, 1982
    Assignee: Mosal Aluminium, Elkem-Spigerverket A/S & Co.
    Inventors: William Bruff, Kjell B. Petersen