Patents Assigned to Officine Meccaniche Attrezzature per Ceramiche
  • System for pasteurizing or sterilizing foodstuffs utilizing microwaves
    Patent number: 5074200
    Abstract: Foodstuff packaged in a material transparent to microwaves is conveyed continuously through an environment pressurized to 2.5 bar max so as to prevent the containers or wrappers bursting or being forced out of shape; in four steps, the temperature is raised quickly to a prescribed treatment value with high frequency microwave radiation, stabilized by applying a combination of lower power microwaves and hot air, held steady with hot air only, and then lowered by cooling.
    Type: Grant
    Filed: June 2, 1989
    Date of Patent: December 24, 1991
    Assignee: Officine Meccaniche Attrezzature per Ceramiche
    Inventor: Giuseppe Ruozi
  • Method of pasteurizing or sterilizing foodstuffs utilizing microwaves
    Patent number: 5066503
    Abstract: Foodstuff packaged in a material transparent to microwaves is conveyed continuously through an environment pressurized to 2.5 bar max so as to prevent the containers or wrappers bursting or being forced out of shape; in four steps, the temperature is raised quickly to a prescribed treatment value with high frequency microwave radiation, stabilized by applying a combination of lower power microwaves and hot air, held steady with hot air only, and then lowered by cooling.
    Type: Grant
    Filed: November 13, 1990
    Date of Patent: November 19, 1991
    Assignee: Officine Meccaniche Attrezzature per Ceramiche
    Inventor: Giuseppe Ruozi