Patents by Inventor Angelo Vigorelli

Angelo Vigorelli 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).

  • Process for the vitrification of products in the form of solid pieces or particles
    Patent number: 5560304
    Abstract: A process for the vitrification of products in the form of solid pieces or particles without the release of dust as a pollutant, according to which there is used a furnace (3) provided with a burner (15). There are introduced into the furnace the products to be vitrified, and the products are permitted to heat in the furnace until they form a liquid or pasty vitreous mass, then this vitreous mass is removed from the furnace and permitted to cool. The internal walls of the furnace are preheated with the burner to a temperature exceeding the temperature at which the products to be vitrified can form a liquid or pasty vitreous mass, then the energy supplied by the burner is reduced substantially or even cut off, before introducing waste into the furnace.
    Type: Grant
    Filed: March 21, 1995
    Date of Patent: October 1, 1996
    Assignees: L'air Liquide, Societe Anonyme Pour L'etude et L'exploitation des Procedes Georges Claude, Sogemi - Societa Generale Macchine Impianti
    Inventors: Eric Duchateau, Eberhard Kloers, Angelo Vigorelli