Patents Assigned to Norbert Berkowitz
  • Method of preparing coal to increase its calorific value and making it safe for storage and transport
    Patent number: 4586935
    Abstract: There is described an improved method for treating low rank coal to lessen the risk of autogenous heating and attendant combustion hazards by means of passing the coal through a bath of molten metal to elevate its temperature into the range Td to Td+50.degree. C., where Td is the temperature of decomposition of the coal.
    Type: Grant
    Filed: January 17, 1985
    Date of Patent: May 6, 1986
    Assignees: Meridian Petroleums Ltd., Norbert Berkowitz
    Inventor: Norbert Berkowitz