Patents by Inventor Robert Wallez

Robert Wallez 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).

  • Protection of cryogenic storage units against filling overpressures
    Patent number: 7591290
    Abstract: Safe filling is provided by a housing (8) controlling the pump (6) of the mobile tank (1) receiving, via a secondary hose (10), the pressure prevailing in the container (2) to be filled, a programmable logic enabling the pump to operate when the pressure measured in the container is within a predetermined range, adaptable according to the type of container. The invention is applicable in particular to gas containers.
    Type: Grant
    Filed: June 23, 2004
    Date of Patent: September 22, 2009
    Assignee: L'Air Liquide, Societe Anonyme a Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Emmanuel Bourgeois, André Marion, Robert Wallez, Jean-Marc Rozo
  • Protection of cryogenic storage units against filling overpressures
    Publication number: 20060130925
    Abstract: Safe filling is provided by a housing (8) controlling the pump (6) of the mobile tank (1) receiving, via a secondary hose (10), the pressure prevailing in the container (2) to be filled, a programmable logic enabling the pump to operate when the pressure measured in the container is within a predetermined range, adaptable according to the type of container. The invention is applicable in particular to gas containers.
    Type: Application
    Filed: June 23, 2004
    Publication date: June 22, 2006
    Inventors: Emmanuel Bourgeois, Andre Marion, Robert Wallez
  • Device for connecting and transfer of fluid between a supply reservoir and a receiving reservoir
    Patent number: 6314981
    Abstract: Process and device for connecting at least one supply reservoir (A), such as a storage reservoir, to at least one receiving reservoir (B), such as a tank truck, for the transfer of a fluid from the at least one supply reservoir (A) to the least one receiving reservoir (B) comprising at least one transfer line (2) for fluid comprising at least one first member (3) for connection to the receiving reservoir (B); a valve (V2) for connection to the atmosphere connected to the transfer line (2); and an analyzer (10) connected to the transfer line (2) particularly to monitor continuously during the transfer the purity of the transferred fluid.
    Type: Grant
    Filed: November 8, 1999
    Date of Patent: November 13, 2001
    Assignee: L'Air Liquide, Societe Anonyme pour l Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Jean Mayzou, Paul Jullien, Pierre Marnas, Robert Wallez