Patents by Inventor Alexander DuChesne

Alexander DuChesne 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).

  • Patent number: 11208706
    Abstract: The present invention discloses a system and method for using a pressurized oxy-fired configuration to conduct metal reduction. The invention discloses a process for production of metal from metal oxide ore through reduction, comprising: (a) feeding a mixture of metal oxide ore, fuel and supply of oxygen into the inlet of a metallization reactor, (b) heating the mixture of metal oxide ore, oxygen and fuel in a primary reduction zone of the metallization reactor at a pressure exceeding ambient pressure to produce a product mixture; and (c) separating the product mixture in a gas separation unit at the bottom or downstream of the metallization reactor.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: December 28, 2021
    Assignee: HER MAJESTY THE QUEEN IN RIGHT OF CANADA AS REPRESENTED BY THE MINISTER OF NATURAL RESOURCES
    Inventors: Bruce Clements, Mohammad Sameer Asiri, Marc Alexander Duchesne, Robin William Hughes
  • Publication number: 20190368003
    Abstract: The present invention discloses a system and method for using a pressurized oxy-fired configuration to conduct metal reduction. The invention discloses a process for production of metal from metal oxide ore through reduction, comprising: (a) feeding a mixture of metal oxide ore, fuel and supply of oxygen into the inlet of a metallization reactor, (b) heating the mixture of metal oxide ore, oxygen and fuel in a primary reduction zone of the metallization reactor at a pressure exceeding ambient pressure to produce a product mixture; and (c) separating the product mixture in a gas separation unit at the bottom or downstream of the metallization reactor.
    Type: Application
    Filed: April 26, 2017
    Publication date: December 5, 2019
    Inventors: Bruce Clements, Mohammad Sameer Asiri, Marc Alexander Duchesne, Robin William Hughes
  • Publication number: 20090005811
    Abstract: Teat, pacifier, drinking spout or teething ring, comprising a base body which is made from at least one polymer material, and a transparent, unlcoloured layer, applied to the base body on the outside thereof from a latex and/or a polymer solution by dipping.
    Type: Application
    Filed: November 25, 2006
    Publication date: January 1, 2009
    Applicant: MAPA GmbH Gummi- und Plastikwerke
    Inventors: Alexander DuChesne, Steffen Berger, Heiner Blanken, Gunter Marr
  • Publication number: 20080208254
    Abstract: The invention relates to a suction or chewing article for babies or small children comprising at least one mouthpiece made of a substantially elastomer material containing at least one elastomer component. According to said invention, the elastomer material contains at least one type of liquid crystal pigment (LC-pigment).
    Type: Application
    Filed: June 15, 2006
    Publication date: August 28, 2008
    Inventors: Steffen Berger, Alexander DuChesne, Gunter Marr