Patents by Inventor Jean-Pierre Laurent
Jean-Pierre Laurent 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: 10294557Abstract: A steel part having a homogeneous multiphase microstructure in each region of the part, the microstructure containing ferrite, wherein the steel part is obtained by a process involving: cutting a blank from a strip of steel, having a specified composition; optionally, the blank undergoes prior cold deformation; the blank is heated to reach a soak temperature Ts above Ac1 but below Ac3 and held at this soak temperature Ts for a soak time ts adjusted so that the steel, after the blank has been heated, has an austenite content equal to or greater than 25% by area; the heated blank is transferred into a forming tool to hot-form the part; and the part is cooled within the tool at a cooling rate V such that the microstructure of the steel, after cooling the part, is a multiphase microstructure containing ferrite and being homogeneous in each region of the part.Type: GrantFiled: January 5, 2012Date of Patent: May 21, 2019Assignee: ArcelorMittal FranceInventors: Jacques Corquillet, Jacques Devroc, Jean-Louis Hochard, Jean-Pierre Laurent, Antoine Moulin, Nathalie Romanowski
-
Patent number: 9611517Abstract: The invention relates to a steel part, the composition of the steel of which comprises, the contents being expressed by weight: 0.040%?C?0.100%; 0.80%?Mn?2.00%; Si?0.30%; S?0.005%; P?0.030%; 0.010%?Al?0.070%; 0.015%?Nb?0.100%; 0.030%?Ti?0.080%; N?0.009%; Cu?0.100%; Ni?0.100%; Cr?0.100%; Mo?0.100%; and Ca?0.006%, the balance of the composition consisting of iron and inevitable impurities resulting from the smelting, the microstructure of the steel consisting of at least 75% equiaxed ferrite, martensite in an amount not less than 5% but not exceeding 20%, and bainite in an amount not exceeding 10%.Type: GrantFiled: April 10, 2014Date of Patent: April 4, 2017Assignee: ArcelorMittal FranceInventors: Jean-Pierre Laurent, Thierry Malot
-
Publication number: 20140216612Abstract: The invention relates to a steel part, the composition of the steel of which comprises, the contents being expressed by weight: 0.040%?C?0.100%; 0.80%?Mn?2.00%; Si?0.30%; S?0.005%; P?0.030%; 0.010%?Al?0.070%; 0.015%?Nb?0.100%; 0.030%?Ti?0.080%; N?0.009%; Cu?0.100%; Ni?0.100%; Cr?0.100%; Mo?0.100%; and Ca?0.006%, the balance of the composition consisting of iron and inevitable impurities resulting from the smelting, the microstructure of the steel consisting of at least 75% equiaxed ferrite, martensite in an amount not less than 5% but not exceeding 20%, and bainite in an amount not exceeding 10%.Type: ApplicationFiled: April 10, 2014Publication date: August 7, 2014Applicant: ArcelorMittal FranceInventors: Jean-Pierre Laurent, Thierry Malot
-
Patent number: 8722203Abstract: The invention relates to a steel part, the composition of the steel of which comprises, the contents being expressed by weight: 0.040%?C?0.100%; 0.80%?Mn?2.00%; Si?0.30%; S?0.005%; P?0.030%; 0.010% S?Al?0.070%; 0.015%?Nb?0.100%; 0.030% Ti?0.080%; N?0.009%; Cu?0.100%; Ni?0.100%; Cr?0.100%; Mo?0.100%; and Ca?0.006%, the balance of the composition consisting of iron and inevitable impurities resulting from the smelting, the microstructure of the steel consisting of at least 75% equiaxed ferrite, martensite in an amount not less than 5% but not exceeding 20%, and bainite in an amount not exceeding 10%.Type: GrantFiled: March 3, 2008Date of Patent: May 13, 2014Assignee: ArcelorMittal FranceInventors: Jean-Pierre Laurent, Thierry Malot
-
Publication number: 20120211128Abstract: A steel part having a homogeneous multiphase microstructure in each region of the part, the microstructure containing ferrite, wherein the steel part is obtained by a process involving: cutting a blank from a strip of steel, having a specified composition; optionally, the blank undergoes prior cold deformation; the blank is heated to reach a soak temperature Ts above Ac1 but below Ac3 and held at this soak temperature Ts for a soak time ts adjusted so that the steel, after the blank has been heated, has an austenite content equal to or greater than 25% by area; the heated blank is transferred into a forming tool to hot-form the part; and the part is cooled within the tool at a cooling rate V such that the microstructure of the steel, after cooling the part, is a multiphase microstructure containing ferrite and being homogeneous in each region of the part.Type: ApplicationFiled: January 5, 2012Publication date: August 23, 2012Applicant: ArcelorMittal FranceInventors: Jacques CORQUILLET, Jacques DEVROC, Jean-Louis HOCHARD, Jean-Pierre LAURENT, Antoine MOULIN, Nathalie ROMANOWSKI
-
Patent number: 8114227Abstract: The subject of the invention is a process for manufacturing a part made of steel having a multiphase microstructure, said microstructure comprising ferrite and being homogeneous in each of the regions of said part, which process comprises the steps consisting in: cutting a blank from a strip of steel, the composition of which is typical of that of steels having a multiphase microstructure; said blank is heated so as to reach a soak temperature Ts above Ac1 but below Ac3 and held at this soak temperature Ts for a soak time ts adjusted so that the steel, after the blank has been heated, has an austenite content equal to or greater than 25% by area; said heated blank is transferred into a forming tool so as to hot-form said part; and said part is cooled within the tool at a cooling rate V such that the microstructure of the steel, after the part has been cooled, is a multiphase microstructure, said microstructure comprising ferrite and being homogeneous in each of the regions of said part.Type: GrantFiled: September 18, 2006Date of Patent: February 14, 2012Assignee: Arcelormittal FranceInventors: Jacques Corquillet, Jacques Devroc, Jean-Louis Hochard, Jean-Pierre Laurent, Antoine Moulin, Nathalie Romanowski
-
Publication number: 20100221572Abstract: The invention relates to a steel part, the composition of the steel of which comprises, the contents being expressed by weight: 0.040%?C?0.100%; 0.80%?Mn?2.00%; Si?0.30%; S?0.005%; P?0.030%; 0.010% S?Al?0.070%; 0.015%?Nb?0.100%; 0.030% Ti?0.080%; N?0.009%; Cu?0.100%; Ni?0.100%; Cr?0.100%; Mo?0.100%; and Ca?0.006%, the balance of the composition consisting of iron and inevitable impurities resulting from the smelting, the microstructure of the steel consisting of at least 75% equiaxed ferrite, martensite in an amount not less than 5% but not exceeding 20%, and bainite in an amount not exceeding 10%.Type: ApplicationFiled: March 3, 2008Publication date: September 2, 2010Applicant: ARCELORMITTAL FRANCEInventors: Jean-Pierre Laurent, Thierry Malot
-
Patent number: 7708843Abstract: The invention relates to a process for manufacturing a part having very high mechanical properties from a hot-rolled or cold-rolled steel strip, comprising precoating said strip with aluminum or an aluminum alloy, cold deformation of the coated strip, possible cutting of the excess sheet with a view to the final geometry of the part, heating of the part so as to form an intermetallic compound from the steel/precoat interface and to austenitize the steel, transfer of the part to a tool and cooling of the part in the tool at a rate such that the steel has, after being cooled, a martensitic or bainitic structure or a martensite-bainite structure. The precoating is carried out by electroplating, by chemical or physical vapor deposition or by co-rolling.Type: GrantFiled: March 2, 2006Date of Patent: May 4, 2010Assignee: ArcelorMittal FranceInventors: Jean-Pierre Laurent, Jacques Devroc
-
Publication number: 20080308194Abstract: The subject of the invention is a process for manufacturing a part made of steel having a multiphase microstructure, said microstructure comprising ferrite and being homogeneous in each of the regions of said part, which process comprises the steps consisting in: cutting a blank from a strip of steel, the composition of which is typical of that of steels having a multiphase microstructure; said blank is heated so as to reach a soak temperature Ts above Ac1 but below Ac3 and held at this soak temperature Ts for a soak time ts adjusted so that the steel, after the blank has been heated, has an austenite content equal to or greater than 25% by area; said heated blank is transferred into a forming tool so as to hot-form said part; and said part is cooled within the tool at a cooling rate V such that the microstructure of the steel, after the part has been cooled, is a multiphase microstructure, said microstructure comprising ferrite and being homogeneous in each of the regions of said part.Type: ApplicationFiled: September 18, 2006Publication date: December 18, 2008Applicant: ArcelorMittal FranceInventors: Jacques Corquillet, Jacques Devroc, Jean-Louis Hochard, Jean-Pierre Laurent, Antoine Moulin, Nathalie Romanowski
-
Publication number: 20080283156Abstract: The invention relates to a process for manufacturing a part having very high mechanical properties from a hot-rolled or cold-rolled steel strip, comprising precoating said strip with aluminum or an aluminum alloy, cold deformation of the coated strip, possible cutting of the excess sheet with a view to the final geometry of the part, heating of the part so as to form an intermetallic compound from the steel/precoat interface and to austenitize the steel, transfer of the part to a tool and cooling of the part in the tool at a rate such that the steel has, after being cooled, a martensitic or bainitic structure or a martensite-bainite structure. The precoating is carried out by electroplating, by chemical or physical vapor deposition or by co-rolling.Type: ApplicationFiled: March 2, 2006Publication date: November 20, 2008Applicant: ARCELOR FranceInventors: Jean-Pierre Laurent, Jacques Devroc
-
Publication number: 20080058906Abstract: Methods and systems for delivering radiation therapy to treat disorders in patients are described herein. In one embodiment, a method includes obtaining imaging data of a target in a patient, irradiating the target with a laser beam directed at the target based on the obtained imaging data, and activating a photodynamic therapy agent in the patient with the laser beam. The target can be subcutaneous, cutaneous, or have both subcutaneous and cutaneous portions.Type: ApplicationFiled: February 15, 2007Publication date: March 6, 2008Applicant: Rasiris, Inc.Inventors: Charles Spangler, Aleksander Rebane, Jean-Pierre Laurent
-
Patent number: 6649903Abstract: Optical detector capable of operating in proximity mode or in proximity with background elimination mode, including an emission system and a reception system having hardware and software detection and configuration means capable of recognizing the appropriate mode by measuring the distance of the background, comparing a reception signal with at least one threshold, and automatically switching the reception system into proximity mode or proximity with background elimination mode depending on the result of the comparison.Type: GrantFiled: November 29, 2001Date of Patent: November 18, 2003Assignee: Schneider Electric Industries SAInventors: Frédéric Couillaud, Alain Guillot, Jean-Pierre Laurent
-
Patent number: 6614014Abstract: Method for configuring the operating mode of an optical detector, by recognition, following an emission in a first operating mode M1, by means of the receiving system. The latter then confirms the detector in the first operating mode or switches it over into a second operating mode M2 according to whether there is recognition of the first mode. Automatic validation or validation carried out by the operator confirms the recognized operating mode. Application to multimode optical detectors able to operate in barrier, reflex, proximity, background suppression proximity mode.Type: GrantFiled: November 29, 2001Date of Patent: September 2, 2003Assignee: Schneider Electric Industries SAInventors: Frédéric Couillaud, Alain Guillot, Jean-Pierre Laurent
-
Publication number: 20020066854Abstract: Optical detector capable of operating in proximity mode or in proximity with background elimination mode.Type: ApplicationFiled: November 29, 2001Publication date: June 6, 2002Applicant: SCHNEIDER ELECTRIC INDUSTRIES SA.Inventors: Frederic Couillaud, Alain Guillot, Jean-Pierre Laurent
-
Publication number: 20020066853Abstract: Method for configuring the operating mode of an optical detector, by recognition, following an emission in a first operating mode M1, by means of the receiving system. The latter then confirms the detector in the first operating mode or switches it over into a second operating mode M2 according to whether there is recognition of the first mode. Automatic validation or validation carried out by the operator confirms the recognized operating mode.Type: ApplicationFiled: November 29, 2001Publication date: June 6, 2002Applicant: SCHNEIDER ELECTRIC INDUSTRIES SA.Inventors: Frederic Couillaud, Alain Guillot, Jean-Pierre Laurent
-
Patent number: 6296805Abstract: Hot-rolled steel sheet which then can be cold-rolled, coated, the steel in the sheet having the following composition by weight: 0.15%<carbon<0.5% 0.5%<manganese<3% 0.1%<silicon<0.5% 0.01%<chromium<1% titanium<0.2% aluminum<0.1% phosphorus<0.1% sulfur<0.05% 0.0005%<boron<0.08%, the remainder being iron and impurities inherent in processing, the sheet ensuring a very high mechanical resistance after thermal treatment and the aluminum-based coating ensuring a high resistance to corrosion.Type: GrantFiled: July 9, 1999Date of Patent: October 2, 2001Assignee: SollacInventors: Jean-Pierre Laurent, Jean-Paul Hennechart, Dominique Spehner, Jacques Devroc
-
Patent number: 5492906Abstract: The invention relates to thieno-triazolo-diazepine derivatives of the formula: ##STR1## wherein Y stands for oxygen or sulphur and R stands for various substituents, to a preparation process of said compounds and to therapeutic compositions containing the same. The compounds are particularly interesting as anti-asthmatic, anti-allergic and gastro-intestinal protectors.Type: GrantFiled: February 18, 1992Date of Patent: February 20, 1996Assignee: Societe de Conseils de Recherches et d'Applications Scientifiques (S.C.R.A.S.)Inventors: Pierre Braquet, Andre Esanu, Jean-Pierre Laurent, Alain Rolland
-
Patent number: 5049560Abstract: This invention relates to thieno-triazolo-diazepine derivatives of the formula ##STR1## wherein R represents various substituents, to a preparation process of these compounds consisting in reacting the thieno-triazolo-diazepine compound of the formula ##STR2## on RSO.sub.2 Cl and to therapeutic compositions containing the same. The compounds are particularly interesting as anti-PAF and anti-ischemic agents.Type: GrantFiled: March 20, 1990Date of Patent: September 17, 1991Assignee: Societe de Conseils de Recherches et d'Applications Scientifiques (S.C.R.A.S.)Inventors: Andre Esanu, Pierre Braquet, Christiane Martin, Jean-Pierre Laurent
-
Patent number: RE44153Abstract: Hot-rolled steel sheet which then can be cold-rolled, coated, the steel in the sheet having the following composition by weight: 0.15%<carbon<0.5% 0.5%<manganese<3% 0.1%<silicon<0.5% 0.01%<chromium<1% titanium<0.2% aluminum<0.1% phosphorus<0.1% sulfur<0.05% 0.0005%<boron<0.08%, the remainder being iron and impurities inherent in processing, the sheet ensuring a very high mechanical resistance after thermal treatment and the aluminum-based coating ensuring a high resistance to corrosion.Type: GrantFiled: August 8, 2011Date of Patent: April 16, 2013Assignee: ArcelorMittal Atlantique et LorraineInventors: Jean-Pierre Laurent, Jean-Paul Hennechart, Dominique Spehner, Jacques Devroc
-
Patent number: RE44940Abstract: Hot-rolled steel sheet which then can be cold-rolled, coated, the steel in the sheet having the following composition by weight: 0.15%<carbon<0.5% 0.5%<manganese<3% 0.1%<silicon<0.5% 0.01%<chromium<1% titanium<0.2% aluminum<0.1% phosphorus<0.1% sulfur<0.05% 0.0005%<boron<0.08%, the remainder being iron and impurities inherent in processing, the shoot ensuring a very high mechanical resistance after thermal treatment and the aluminum-based coating ensuring a high resistance to corrosion.Type: GrantFiled: April 15, 2013Date of Patent: June 10, 2014Assignees: ArcelorMittal France, ArcelorMittal Atlantique et LorraineInventors: Jean-Pierre Laurent, Jean-Paul Hennechart, Dominique Spehner, Jacques Devroc