Patents by Inventor Celia M. Tangari

Celia M. Tangari 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).

  • Moulds for glass making and use thereof
    Patent number: 4887791
    Abstract: Cast-iron mold for the production of glass containers by using a "pressed-blown" or "blown-blown" technique wherein the parts exposed to the parison are coated with a uniform alumina layer of which the thickness is less than 5 micrometers. The invention applies to industrial techniques for producing glass containers such as bottles, flasks, jars or the like.
    Type: Grant
    Filed: August 3, 1988
    Date of Patent: December 19, 1989
    Assignee: Saint-Gobain Emballage
    Inventors: Celia M. Tangari, Alain Dugast, Daniel Abriou