Patents by Inventor Mario Cavalcante

Mario Cavalcante 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).

  • Method for the combined application of scale remover and inhibitor
    Patent number: 11952534
    Abstract: A joint application process of two treatments, scale removal and inhibitor squeeze injection, is described herein. Through the simultaneous positioning inside the reservoir, it can be applied in scale removal operations for carbonate formations, such as the pre-salt case. Accordingly, there is a way to improve the efficiency of reservoir management, through an innovation in the scaling management process.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: April 9, 2024
    Assignee: Petróbras Brasileiro S. A.—Petrobras
    Inventors: Mario Germino Ferreira Da Silva, Sergio Taveira De Camargo Junior, Tiago Cavalcante Freitas, Giselle Maria Lopes Leite Da Silva, Francisca Ferreira Do Rosario, Francileide Gomes Da Costa, Katia Regina Silva Alves Da Rosa, Rosane Alves Fontes
  • Container for the storage and withdrawal of ear cleaning sticks or similar articles
    Patent number: 4441610
    Abstract: A container for the facile storage and withdrawal of ear-cleaning sticks or similar articles includes two shell bodies, at least one of which is pivotable relative to the other for movement between an open and closed position or in the former of which it exposes a stick reservoir. The container is closed by a light snap action. The container has a generally tubular shape and has two flat end faces. Both shells may be provided by a single molding operation of thermoplastic material.
    Type: Grant
    Filed: May 18, 1981
    Date of Patent: April 10, 1984
    Assignee: Ivalda S.p.A.
    Inventor: Mario Cavalcante