Patents by Inventor Helmut Clasen

Helmut Clasen 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).

  • Electrical heating assembly having a thermally conductive refractory electrical insulating embedding composition between an electrically conductive member and a jacket
    Patent number: 4087777
    Abstract: A thermally conductive refractory electrical insulating embedding composition comprising granular magnesium oxide and granular fused magnesium iron alumino silicate; and electrical heating assembly having an electrically conductive heating member and a jacket and disposed between said member and said jacket a thermally conductive refractory electrically insulating embedding composition comprising granular magnesium oxide and granular fused magnesium iron alumino silicate.
    Type: Grant
    Filed: January 2, 1976
    Date of Patent: May 2, 1978
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventors: Helmut Clasen, Klaus Deneke
  • Method of preparing an electrically insulating embedding composition
    Patent number: 3959001
    Abstract: A thermally conductive refractory electrical insulating embedding composition comprising granular magnesium oxide and granular fused magnesium iron alumino silicate; and electrical heating assembly having an electrically conductive heating member and a jacket and disposed between said member and said jacket a thermally conductive refractory electrically insulating embedding composition comprising granular magnesium oxide and granular fused magnesium iron alumino silicate.
    Type: Grant
    Filed: December 17, 1974
    Date of Patent: May 25, 1976
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventors: Helmut Clasen, Klaus Deneke