Patents by Inventor Pierre-Jean Roy

Pierre-Jean Roy 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).

  • Ring furnace including baking pits with a large horizontal aspect ratio and method of baking carbonaceous articles therein
    Patent number: 8684727
    Abstract: The invention relates to a ring furnace (1) having a longitudinal axis and comprising elongated bays (10), a plurality of hollow partitions (3, 3?) arranged within the casing of each bay so as to be parallel to the longitudinal axis, a first end transverse wall (41) located at a first end of each bay (10), a second end transverse wall (42) located at a second end of each bay (10) and possibly one or more intermediate transverse walls (43) located between the first and second ends. The hollow partitions and transverse walls define baking pits (2) within the bays (10) for stacking carbonaceous articles therein. The baking pits have a length Lp and a width Wp, said length Lp being at least 15 times greater than said width Wp.
    Type: Grant
    Filed: April 29, 2008
    Date of Patent: April 1, 2014
    Assignee: Rio Tinto Alcan International Limited
    Inventors: Christian Jonville, Pierre-Jean Roy, Yannick Drouet
  • RING FURNACE INCLUDING BAKING PITS WITH A LARGE HORIZONTAL ASPECT RATIO AND METHOD OF BAKING CARBONACEOUS ARTICLES THEREIN
    Publication number: 20100209863
    Abstract: The invention relates to a ring furnace (1) having a longitudinal axis and comprising elongated bays (10), a plurality of hollow partitions (3, 3?) arranged within the casing of each bay so as to be parallel to the longitudinal axis, a first end transverse wall (41) located at a first end of each bay (10), a second end transverse wall (42) located at a second end of each bay (10) and possibly one or more intermediate transverse walls (43) located between the first and second ends. The hollow partitions and transverse walls define baking pits (2) within the bays (10) for stacking carbonaceous articles therein. The baking pits have a length Lp and a width Wp, said length Lp being at least 15 times greater than said width Wp.
    Type: Application
    Filed: April 29, 2008
    Publication date: August 19, 2010
    Applicant: ALCAN INTERNATIONAL LIMITED
    Inventors: Christian Jonville, Pierre-Jean Roy, Yannick Drouet