Patents by Inventor Philippe Heritier

Philippe Heritier 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).

  • Publication number: 20190169715
    Abstract: A nickel superalloy has the following composition, the concentrations of the different elements being expressed as wt-%: Formula (I), the remainder consisting of nickel and impurities resulting from the production of the superalloy. In addition, the composition satisfies the following equation, wherein the concentrations of the different elements are expressed as atomic percent: Formula (II).
    Type: Application
    Filed: February 4, 2019
    Publication date: June 6, 2019
    Inventors: Alexandre DEVAUX, Philippe HERITIER
  • Patent number: 9429183
    Abstract: The invention relates to a method of producing a martensitic steel comprising a content of other metals such that it can be hardened by intermetallic compound and carbide precipitation, with an Al content of between 0.4% and 3%. The heat shaping temperature of the last heat shaping pass of said steel is lower than the solubility temperature of the aluminum nitrides in the steel, and the treatment temperature for each potential heat treatment after said last heat shaping pass is lower than the solid-state solubility temperature of the aluminum nitrides in said steel.
    Type: Grant
    Filed: July 16, 2013
    Date of Patent: August 30, 2016
    Assignees: SNECMA, AUBERT & DUVAL
    Inventors: Laurent Ferrer, Philippe Heritier
  • Publication number: 20140213375
    Abstract: The invention relates to a method of producing a martensitic steel comprising a content of other metals such that it can be hardened by intermetallic compound and carbide precipitation, with an Al content of between 0.4% and 3%. The heat shaping temperature of the last heat shaping pass of said steel is lower than the solubility temperature of the aluminum nitrides in the steel, and the treatment temperature for each potential heat treatment after said last heat shaping pass is lower than the solid-state solubility temperature of the aluminum nitrides in said steel.
    Type: Application
    Filed: July 16, 2013
    Publication date: July 31, 2014
    Applicants: Aubert & Duval, SNECMA
    Inventors: Laurent FERRER, Philippe Heritier
  • Patent number: 8702879
    Abstract: A method of producing a martensitic steel including a content of other metals such that it can be hardened by intermetallic compound and carbide precipitation, with an Al content of between 0.4% and 3%. The heat shaping temperature of a last heat shaping pass of the steel is lower than the solubility temperature of aluminum nitrides in the steel, and a treatment temperature for each potential heat treatment after the last heat shaping pass is lower than the solid-state solubility temperature of the aluminum nitrides in the steel.
    Type: Grant
    Filed: July 2, 2010
    Date of Patent: April 22, 2014
    Assignees: SNECMA, Aubert & Duval
    Inventors: Laurent Ferrer, Philippe Heritier
  • Publication number: 20120183432
    Abstract: A nickel superalloy has the following composition, the concentrations of the different elements being expressed as wt-%: Formula (I), the remainder consisting of nickel and impurities resulting from the production of the superalloy. In addition, the composition satisfies the following equation, wherein the concentrations of the different elements are expressed as atomic percent: Formula (II).
    Type: Application
    Filed: August 20, 2010
    Publication date: July 19, 2012
    Applicant: AUBERT & DUVAL
    Inventors: Alexandre Devaux, Philippe Heritier
  • Patent number: 8192560
    Abstract: The invention relates to steel which is characterized by the following composition as expressed in percentages by weight: —C=0.18 0.30%, —Co=5-7%, —Cr=2-5%, —Al=1-2%, —Mo+W/2=1-4%, —V=trace 0.3%, —Nb=trace 0.1%, —B=trace?50 ppm, —Ni=10.5-15% with Ni?7+3.5 Al, —Si=trace 0.4%, —Mn=trace 0.4%, —Ca=trace?500 ppm, —Rare earths=trace?500 ppm, —Ti=trace?500 ppm, —O=trace?200 ppm if the steel is obtained by means of powder metallurgy or trace?50 ppm if the steel is produced in air or under a vacuum from molten metal, —N=trace?100 ppm, —S=trace?50 ppm, —Cu=trace?1%, and —P=trace?200 ppm, the remainder including iron and the inevitable impurities resulting from production. The invention also relates to a method of producing a part from said steel and to the part thus obtained.
    Type: Grant
    Filed: August 26, 2010
    Date of Patent: June 5, 2012
    Assignees: Aubert & Duval, SNECMA Moteurs
    Inventors: Jacques Montagnon, Philippe Heritier, Isabelle Peslerbe, Claude Mons
  • Publication number: 20120132326
    Abstract: A method of producing a martensitic steel including a content of other metals such that it can be hardened by intermetallic compound and carbide precipitation, with an Al content of between 0.4% and 3%. The heat shaping temperature of a last heat shaping pass of the steel is lower than the solubility temperature of aluminum nitrides in the steel, and a treatment temperature for each potential heat treatment after the last heat shaping pass is lower than the solid-state solubility temperature of the aluminum nitrides in the steel.
    Type: Application
    Filed: July 2, 2010
    Publication date: May 31, 2012
    Applicants: Snecma, Aubert & Duval
    Inventors: Laurent Ferrer, Philippe Heritier
  • Patent number: 8153056
    Abstract: The invention relates to steel which is characterized by the following composition as expressed in percentages by weight:—C=0.18 0.30%, —Co=5-7%, —Cr=2-5%, —Al=1-2%, —Mo+W/2=1-4%, —V=trace 0.3%, —Nb=trace 0.1%, —B=trace?50 ppm, —Ni=10.5-15% with Ni?7+3.5 Al, —Si=trace 0.4%, —Mn=trace 0.4%, —Ca=trace?500 ppm, —Rare earths=trace?500 ppm, —Ti=trace?500 ppm, —O=trace?200 ppm if the steel is obtained by means of powder metallurgy or trace?50 ppm if the steel is produced in air or under a vacuum from molten metal, —N=trace?100 ppm, —S=trace?50 ppm, —Cu=trace?1%, and —P=trace?200 ppm, the remainder comprising iron and the inevitable impurities resulting from production. The invention also relates to a method of producing a part from said steel and to the part thus obtained.
    Type: Grant
    Filed: April 20, 2006
    Date of Patent: April 10, 2012
    Assignees: Aubert & Duval, SNECMA Moteurs
    Inventors: Jacques Montagnon, Philippe Heritier, Isabelle Peslerbe, Claude Mons
  • Patent number: 8152938
    Abstract: The invention relates to steel which is characterized by the following composition as expressed in percentages by weight: —C=0.18 0.30%, —Co=5-7%, —Cr=2-5%, —Al=1-2%, —Mo+W/2=1-4%, —V=trace 0.3%, —Nb=trace 0.1%, —B=trace—50 ppm, —Ni=10.5-15% with Ni?7+3.5 Al, —Si=trace 0.4%, —Mn=trace 0.4%, —Ca=trace—500 ppm, —Rare earths=trace—500 ppm, —Ti=trace—500 ppm, —O=Trace—200 ppm if the steel is obtained by means of powder metallurgy or trace—50 ppm if the steel is produced in air or under a vacuum from molten metal, —N=trace—100 ppm, —S=trace—50 ppm, —Cu=trace—1%, and —P=trace—200 ppm, the remainder including iron and the inevitable impurities resulting from production. The invention also relates to a method of producing a part from said steel and to the part thus obtained.
    Type: Grant
    Filed: August 26, 2010
    Date of Patent: April 10, 2012
    Assignees: Aubert & Duval, SNECMA Moteurs
    Inventors: Jacques Montagnon, Philippe Heritier, Isabelle Peslerbe, Claude Mons
  • Publication number: 20110048583
    Abstract: The invention relates to steel which is characterized by the following composition as expressed in percentages by weight: —C=0.18 0.30%, —Co=5-7%, —Cr=2-5%, —Al=1-2%, —Mo+W/2=1-4%, —V=trace 0.3%, —Nb=trace 0.1%, —B=trace?50 ppm, —Ni=10.5-15% with Ni?7+3.5 Al, —Si=trace 0.4%, —Mn=trace 0.4%, —Ca=trace?500 ppm, —Rare earths=trace?500 ppm, —Ti=trace?500 ppm, ?O=trace?200 ppm if the steel is obtained by means of powder metallurgy or trace?50 ppm if the steel is produced in air or under a vacuum from molten metal, —N=trace?100 ppm, —S=trace?50 ppm, —Cu=trace?1%, and —P=trace?200 ppm, the remainder including iron and the inevitable impurities resulting from production. The invention also relates to a method of producing a part from said steel and to the part thus obtained.
    Type: Application
    Filed: August 26, 2010
    Publication date: March 3, 2011
    Applicants: AUBERT & DUVAL, SNECMA MOTEURS
    Inventors: Jacques MONTAGNON, Philippe HERITIER, Isabelle PESLERBE, Claude MONS
  • Publication number: 20110041961
    Abstract: The invention relates to steel which is characterized by the following composition as expressed in percentages by weight: —C=0.18 0.30%, —Co=5-7%, —Cr=2-5%, —Al=1-2%, —Mo+W/2=1-4%, —V=trace 0.3%, —Nb=trace 0.1%, —B=trace-50 ppm, —Ni=10.5-15% with Ni?7+3.5 Al, —Si=trace 0.4%, —Mn=trace 0.4%, —Ca=trace-500 ppm, —Rare earths=trace-500 ppm, —Ti=trace-500 ppm, —O=trace-200 ppm if the steel is obtained by means of powder metallurgy or trace-50 ppm if the steel is produced in air or under a vacuum from molten metal, —N=trace-100 ppm, —S=trace-50 ppm, —Cu=trace-1%, and —P=trace-200 ppm, the remainder including iron and the inevitable impurities resulting from production. The invention also relates to a method of producing a part from said steel and to the part thus obtained.
    Type: Application
    Filed: August 26, 2010
    Publication date: February 24, 2011
    Applicants: AUBERT & DUVAL, SNECMA MOTEURS
    Inventors: Jacques MONTAGNON, Philippe HERITIER, Isabelle PESLERBE, Claude MONS
  • Publication number: 20100180991
    Abstract: Ti 5-5-5-3 titanium alloy heat treatment process having, in weighted percentages, the following composition: between 4.4 and 5.7% aluminum, between 4.0 and 5.5% vanadium, between 0.30 and 0.50% iron, between 4.0 and 5.5% molybdenum, between 2.5 and 3.5% chromium, between 0.08 and 0.18% oxygen, 0.10% traces of carbon, 0.05% traces of nitrogen, 0.30% traces of zirconium, 0.15% traces of silicon, the residual percentage being titanium and impurities, characterised in that the heat treatment of said alloy is carried out by: heating to a first stage of between 810 and 840?° C. and below the ?-transus temperature of the alloy; maintaining at the first stage for one to three hours; cooling to a second stage of between 760° C. and 800° C. without intermediate reheating; maintaining at the second stage for two to five hours; cooling to ambient temperature; heating to a third stage of between 540° C. and 650° C.; maintaining at the third stage for four to twenty hours, then cooling to ambient temperature.
    Type: Application
    Filed: December 23, 2009
    Publication date: July 22, 2010
    Applicant: AUBERT & DUVAL
    Inventors: Philippe HERITIER, Laurent Cluzel
  • Publication number: 20080193321
    Abstract: The invention relates to steel which is characterised by the following composition as expressed in percentages by weight:—C=0.18 0.30%, —Co=5-7%, —Cr=2-5%, —Al=1-2%, —Mo+W/2=1-4%, —V=trace 0.3%, —Nb=trace 0.1%, —B=trace?50 ppm, —Ni=10.5-15% with Ni?7+3.5 Al, —Si=trace 0.4%, —Mn=trace 0.4%, —Ca=trace?500 ppm, -Rare earths=trace?500 ppm, —Ti=trace?500 ppm, —O=trace?200 ppm if the steel is obtained by means of powder metallurgy or trace?50 ppm if the steel is produced in air or under a vacuum from molten metal, —N=trace?100 ppm, —S=trace?50 ppm, —Cu=trace?1%, and —P=trace?200 ppm, the remainder comprising iron and the inevitable impurities resulting from production. The invention also relates to a method of producing a part from said steel and to the part thus obtained.
    Type: Application
    Filed: April 20, 2006
    Publication date: August 14, 2008
    Applicant: AUBERT & DUVAL
    Inventors: Jacques Montagnon, Philippe Heritier, Isabelle Peslerbe, Claude Mons