Patents Assigned to SEVA
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Patent number: 11667993Abstract: An alloy contains the following elements, the proportions being indicated as percentage by weight of the alloy (limit values included) Cr 20 to 35%, Fe 1 to 6%, W 3 to 8%, Nb 0.5 to 3%, Ti 0 to 1%, C 0.4 to 1%, Co 0 to 3%, Si 0.1 to 1.5%, Mn 0.1 to 1%, the remainder consisting of nickel and unavoidable impurities, wherein a (Nb+Ti)/C weight ratio is between 1 to 2.4.Type: GrantFiled: August 31, 2022Date of Patent: June 6, 2023Assignees: SAINT-GOBAIN ISOVER, SAINT-GOBAIN SEVAInventors: Ludovic Hericher, Jacques Labarthe, Cyril Condolf
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Patent number: 11505849Abstract: An alloy contains the following elements, the proportions being indicated as percentage by weight of the alloy (limit values included): Cr 20 to 35%, Fe 0 to 6%, W 3 to 8%, Nb 0.5 to 3%, Ti 0 to 1%, C 0.4 to 1%, Co 0 to 3%, Si 0.1 to 1.5%, Mn 0.1 to 1%, the remainder consisting of nickel and unavoidable impurities.Type: GrantFiled: September 10, 2019Date of Patent: November 22, 2022Assignees: SAINT-GOBAIN ISOVER, SAINT-GOBAIN SEVAInventors: Ludovic Hericher, Jacques Labarthe, Cyril Condole
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Patent number: 11261506Abstract: A metal alloy is for use at very high temperature, in particular the metal alloy can be used in a process for the manufacture of mineral wool by fiberizing a molten mineral composition. The metal alloy contains the following elements, the proportions being shown as percentage by weight of the alloy: Cr 20 to 35% Fe 10 to 25% W 2 to 10% Nb 0.5 to 2.5% Ti 0 to 1% C 0.2 to 1.2% Co less than 5% Si less than 0.9% Mn less than 0.9% the remainder consisting of nickel and unavoidable impurities.Type: GrantFiled: February 28, 2017Date of Patent: March 1, 2022Assignee: SAINT-GOBAIN SEVAInventors: Yaxin Xu, JingBo Yan, Fei Sun, Yuefeng Gu
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Patent number: 10934608Abstract: A Ni—Cr—Fe-based casting alloy is provided for use in manufacturing a component for contacting molten glass, such as a centrifugal spinner for forming fibers of a molten glass by a rotary fiber forming process, for example. This Ni—Cr—Fe-based casting alloy is suitable for use in manufacturing a component for contacting molten glass, and contains, in terms of mass percent, 15-30% Cr, 15-30% Fe, 2.5-5.0% Co, 3.0-6.0% W, 0.0-2.0% Ti, 0.5-2.5% Nb, 0.5-2.0% Mo, and 0.5-1.2% C, the remainder including nickel and unavoidable impurities.Type: GrantFiled: July 26, 2017Date of Patent: March 2, 2021Assignee: SAINT-GOBAIN SEVAInventors: Yuefeng Gu, Jingbo Yan, Yaxin Xu, Fei Sun
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Publication number: 20200063239Abstract: A metal alloy is for use at very high temperature, in particular the metal alloy can be used in a process for the manufacture of mineral wool by fiberizing a molten mineral composition. The metal alloy contains the following elements, the proportions being shown as percentage by weight of the alloy: Cr 20 to 35% Fe 10 to 25% W 2 to 10% Nb 0.5 to 2.5% Ti 0 to 1% C 0.2 to 1.2% Co less than 5% Si less than 0.9% Mn less than 0.9% the remainder consisting of nickel and unavoidable impurities.Type: ApplicationFiled: February 28, 2017Publication date: February 27, 2020Applicant: SAINT-GOBAIN SEVAInventors: Yaxin XU, JingBo YAN, Fei SUN, Yuefeng GU
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Patent number: 10213047Abstract: A coffee preparation machine can include at least one sealed pod containing unroasted green coffee beans, a roasting system that accepts the at least one sealed pod, a grinding system, and a brewing system, where the brewing system, the roasting system, and the grinding system can be housed within a single self-contained unit.Type: GrantFiled: September 1, 2017Date of Patent: February 26, 2019Assignee: Seva Coffee CorporationInventor: Deepak Boggavarapu
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Patent number: 9912818Abstract: A customer may be allowed to request a service and to very quickly be put in touch with a local service provider who can perform the requested service. The customer need not know the identity of the vendor beforehand, and the vendor may not know the identity of the customer before agreeing to discuss the service. Multiple local service providers may be contacted in parallel by a centralized server configured to connect the customer with the local service providers. The most qualified or most highly rated local service providers for the particular service may be identified and then contacted first. The customer may be put in touch with one or more vendors in a very short amount of time after submitting the request, e.g., within 90 seconds.Type: GrantFiled: June 28, 2016Date of Patent: March 6, 2018Assignee: Seva Search, Inc.Inventors: Manpreet Singh, Gurpreet Singh, Amandeep Singh Bakshi, Vighna Rajesh Karyampudi
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Patent number: 9463995Abstract: The invention relates to an alloy having high temperature mechanical strength in an oxidizing medium and comprising a carbide-precipitation-strengthened matrix containing chromium. The invention is characterized in that the alloy comprises carbides of at least one metal (M) selected from among titanium, zirconium and hafnium, said carbides also optionally containing (M?) tantalum. The invention is suitable for articles that require high temperature mechanical strength, such as for hot glass processing or production.Type: GrantFiled: November 26, 2004Date of Patent: October 11, 2016Assignees: SAINT-GOBAIN ISOVER, SAINT-GOBAIN SEVAInventors: Jean-Luc Bernard, Christophe Liebaut, Patrice Berthod, Sylvain Michon
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Patent number: 8708367Abstract: A gas generator for a safety device for a motor vehicle, comprises at least two distinct chambers which communicate with each other through at least one opening or nozzle. A first chamber is isolated from the outside. A second chamber or “diffusion” chamber is able to receive gases generated by the combustion of a solid pyrotechnical charge placed in the first chamber, and to discharge them towards the outside. The solid charge is a mixture consisting of at least one oxidizing charge and a reducing charge, the oxygen balance of which is equilibrated. A heat generator is provided which generates sufficient heat for triggering and sustaining the combustion of the charge without any other interaction, notably of the chemical type, between the heat generator and the charge.Type: GrantFiled: February 9, 2009Date of Patent: April 29, 2014Assignee: Seva TechnologiesInventors: Daniel Duvacquier, Xavier Lelievre, Yvonnig Patton, François Peremarty
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Patent number: 8398791Abstract: Cobalt based alloys exhibiting high-temperature mechanical strength in an oxidizing medium are provided. The alloys are free of W and Hf and include the following elements in percentage by weight of the alloy: 23 to 34% Cr; 6 to 12% Ni; 6.0 to 10% Ta; 0.3 to 1.2% C; less than 3% Fe; less than 1% Si; less than 0.5% Mn; less than 0.1% Zr; and a balance of cobalt and impurities. Ta/C molar ratios of the alloys are at least 0.3.Type: GrantFiled: August 23, 2007Date of Patent: March 19, 2013Assignees: Saint-Gobain Isover, Saint-Gobain SevaInventors: Patrice Berthod, Jean-Luc Bernard, Christophe Liebaut
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Patent number: 8262964Abstract: An alloy, characterized in that it contains the following elements (the proportions being indicated in percentages by weight of the alloy): Cr: ?23 to 34% Ti: 0.2 to 5% Ta: 0.5 to 7% C: 0.2 to 1.2% Ni: less than 5% Fe: less than 3% Si: less than 1% Mn: less than 0.5%, the balance consisting of cobalt and inevitable impurities. An article for the manufacture of mineral wool, especially fiberizing spinner, made of such an alloy.Type: GrantFiled: November 27, 2008Date of Patent: September 11, 2012Assignees: Saint-Gobain Isover, Saint-Gobain SevaInventors: Jean-Luc Bernard, Patrice Berthod, Ludovic Hericher, Christophe Liebaut, Sylvain Michon
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Patent number: 7992896Abstract: A gas generator for a safety system includes an explosible charge formed at least by a primary pyrotechnic compound, in a first chamber initiated by at least one initiator provided with a reinforcing charge and a secondary compound, in a second chamber, the decomposition of which is entailed by products of combustion of the primary compound, an interaction of the products of combustion of the primary compound and those of the secondary compound through an oxidation-reduction reaction occurring in a slightly confined volume, the first chamber communicating with said second chamber through a central nozzle and said second chamber being provided, at a first zone close to said first chamber, with orifices that discharge the gases and contain, in a second zone, said secondary compound; and means forming an obstacle to the passage of the gases installed in said second chamber between said first and second zones, said obstacle-forming means allowing the gases to pass into a central part and forming an obstacle to thType: GrantFiled: December 13, 2006Date of Patent: August 9, 2011Assignee: Seva TechnologiesInventors: Paul-Philippe Cord, Fabien Béteille, Sylvie Martinel, legal representative
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Publication number: 20100244310Abstract: An alloy, characterized in that it contains the following elements (the proportions being indicated in percentages by weight of the alloy): Cr: ?23 to 34% Ti: 0.2 to 5% Ta: 0.5 to 7% C: 0.2 to 1.2% Ni: less than 5% Fe: less than 3% Si: less than 1% Mn: less than 0.5%, the balance consisting of cobalt and inevitable impurities. An article for the manufacture of mineral wool, especially fiberizing spinner, made of such an alloy.Type: ApplicationFiled: November 27, 2008Publication date: September 30, 2010Applicants: Saint-Gobain Isover, Saint-Gobain SevaInventors: Jean-Luc Bernard, Patrice Berthod, Ludovic Hericher, Christophe Liebaut, Sylvain Michon
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Patent number: 7651126Abstract: A device for protecting goods and/or persons including a security element; and a gas generating system connected to the security element and including an explosive charge formed at least of: a primary pyrotechnic compound, in a first chamber, initiated by at least one initiator having a reinforcing charge and including at least one propellant having an optionally adjusted oxygen balance, and a secondary compound, in a secondary chamber, including an oxidant constituent capable of delivering only gas by decomposition and at least one reducing additive having a function of contributing nitrogen, the additive being present in a proportion by weight less than about 70% of the weight of the primary-secondary compound.Type: GrantFiled: October 7, 2005Date of Patent: January 26, 2010Assignees: Seva Technologies, Etienne LacroixInventors: Paul-Philippe Cord, Virginie Desbleumortiers, Fabrice Boyer, Michael Niehaus
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Patent number: 7320187Abstract: The invention relates to a device for blowing a fluid onto at least one face of a thin element of the band type, comprising, within a containment (2) having a horizontal longitudinal axis (XX?) corresponding to the axis of travel of the band, at least one radial-flow fan (3) with a vertical axis (ZZ?), having at least one outlet connected to at least one pipe (51, 52) for feeding nozzles (43) directed towards the said face, characterized in that the nozzles (43) induce fluid jets in at least one plane perpendicular to the direction (XX?) of travel of the said band.Type: GrantFiled: February 13, 2002Date of Patent: January 22, 2008Assignee: Saint-Gobain SevaInventors: Georges Bancon, Jean-Jacques Bris, Francois Bonnamour
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Publication number: 20070292303Abstract: The process for manufacturing mineral wool by internal centrifuging is characterized in that the temperature of the mineral material in the fiberizing spinner dish is at least 1150° C. and in that the fiberizing spinner dish is made of a cobalt-based alloy comprising the following elements (in percentages by weight of the alloy): Cr 23 ?to 34% Fe less than 3% Ni ??6 to 12% Si less than 1% Ta ??3 to 10% Mn less than 0.5% C 0.2 to 1.2% Zr less than 0.1% W ??0 to 8%, the balance consisting of cobalt and inevitable impurities and the tantalum-to carbon molar ration being at least 0.3. Alloys particularly suitable for this process satisfy the above formula and do not contain tungsten. The alloys according to the invention can be used for other purposes in an oxidizing atmosphere at a temperature of at least 1100° C.Type: ApplicationFiled: August 23, 2007Publication date: December 20, 2007Applicants: SAINT-GOBAIN ISOVER, SAINT-GOBAIN SEVAInventors: Patrice Berthod, Jean-Luc Bernard, Christophe Liebaut
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Publication number: 20070107811Abstract: The invention relates to an alloy having high temperature mechanical strength in an oxidising medium and comprising a carbide-precipitation-strengthened matrix containing chromium. The invention is characterised in that the alloy comprises carbides of at least one metal (M) selected from among titanium, zirconium and hafnium, said carbides also optionally containing (M?) tantalum. The invention is suitable for articles that require high temperature mechanical strength, such as for hot glass processing or production.Type: ApplicationFiled: November 26, 2004Publication date: May 17, 2007Applicants: SAINT-GOBAIN ISOVER, SAINT-GOBAIN SEVAInventors: Jean-Luc Bernard, Christophe Liebaut, Patrice Berthod, Michon Sylvain
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Patent number: 7062864Abstract: The invention relates to a device for blowing a fluid onto at least one face of a thin element of the band type, comprising, within a containment (2) having a horizontal longitudinal axis (XX?) corresponding to the axis of travel of the band, at least one radial-flow fan (3) with a vertical axis (ZZ?), having at least one outlet connected to at least one pipe (51, 52) for feeding nozzles (43) directed towards the said face, characterized in that the nozzles (43) induce fluid jets in at least one plane perpendicular to the direction (XX?) of travel of the said band.Type: GrantFiled: February 13, 2002Date of Patent: June 20, 2006Assignee: Saint-Gobain SevaInventors: Georges Bancon, Jean-Jacques Bris, Francois Bonnamour
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Publication number: 20060071455Abstract: A device for protecting goods and/or persons including a security element; and a gas generating system connected to the security element and including an explosive charge formed at least of: a primary pyrotechnic compound, in a first chamber, initiated by at least one initiator having a reinforcing charge and including at least one propellant having an optionally adjusted oxygen balance, and a secondary compound, in a secondary chamber, including an oxidant constituent capable of delivering only gas by decomposition and at least one reducing additive having a function of contributing nitrogen, the additive being present in a proportion by weight less than about 70% of the weight of the primary-secondary compound.Type: ApplicationFiled: October 7, 2005Publication date: April 6, 2006Applicants: Seva Technologies, a corporation of France, Etienne LaCroix, a corporation of FranceInventors: Paul-Philippe Cord, Virginie Desbleumortiers, Fabrice Bouyer, Michael Niehaus
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Patent number: 6656318Abstract: The invention concerns a method of joining two reinforced thermoplastic material tubes having the same diameter. Ends of the two tubes are first butt welded along a peripheral weld. After forming the weld, a reinforced thermoplastic material outer jacket is fitted over most of the length of the peripheral weld, extending on either side of the weld over end sections of the two tubes. The outer jacket is heated and pressed radially until the outer jacket and the end sections of the two tubes interpenetrate.Type: GrantFiled: October 4, 2000Date of Patent: December 2, 2003Assignee: SevaInventors: Alain Sabouraud, Alain Tournier, Michel Derycke, Gerard Joly