Patents by Inventor Bo Jönsson
Bo Jönsson 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).
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Patent number: 10683569Abstract: An austenitic alloy for high temperature use, particularly for use in resistance heating elements. The alloy includes primarily the elements Fe, Ni, and Cr, and it has the following main composition, given in weight %, Ni 38-48, Cr 18-24, Si 1.0-1.9, C <0.1, and the balance Fe. The alloy provides good hot form stability, good oxidation resistance, and a relatively high electrical resistance coupled with a low change in resistance as a function of temperature.Type: GrantFiled: September 4, 2018Date of Patent: June 16, 2020Assignee: Sandvik Intellectual Property ABInventors: Bo Jönsson, Thomas Helander
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Publication number: 20200181745Abstract: A ferritic alloy comprising the following elements in weight % C 0.01 to 0.1; N: 0.001 to 0.1; 0: <0.2; Cr 4 to 15; Al 2 to 6; Si 0.5 to 3; Mn: ?0.4; Mo+W?4; Y?1.0; Sc, Ce, La and/or Yb?0.2; Zr?0.40; RE?3.0; balance Fe and normal occurring impurities and also fulfilling the following equation has to be fulfilled: 0.014?(Al+0.5SQ (Cr+10Si+0.1)?0.022.Type: ApplicationFiled: May 24, 2017Publication date: June 11, 2020Applicant: SANDVIK INTELLECTUAL PROPERTY ABInventor: Bo JÖNSSON
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Publication number: 20190106774Abstract: A ferritic alloy comprising the following elements in weight % [wt %] C 0.01 to 0.1; N: 0.001 to 0.1; O: ?0.2; Cr 4 to 15; Al 2 to 6; Si 0.5 to 3; Mn: ?0.4; Mo+W?4; Y?1.0; Sc, Ce, and/or La?0.2; Zr?0.40; RE?0.4; balance Fe and normal occurring impurities and also fulfilling the following equation has to be fulfilled: 0.014?(Al+0.5SQ (Cr+10Si+0.1)?0.022.Type: ApplicationFiled: March 6, 2017Publication date: April 11, 2019Applicant: Sandvik Intellectual Property ABInventor: Bo JÖNSSON
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Publication number: 20180371592Abstract: An austenitic alloy for high temperature use, particularly for use in resistance heating elements. The alloy includes primarily the elements Fe, Ni, and Cr, and it has the following main composition, given in weight %, Ni 38-48, Cr 18-24, Si 1.0-1.9, C <0.1, and the balance Fe. The alloy provides good hot form stability, good oxidation resistance, and a relatively high electrical resistance coupled with a low change in resistance as a function of temperature.Type: ApplicationFiled: September 4, 2018Publication date: December 27, 2018Applicant: Sandvik Intellectual Property ABInventors: Bo JÖNSSON, Thomas HELANDER
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Publication number: 20160083822Abstract: An austenitic alloy for high temperature use, particularly for use in resistance heating elements. The alloy includes primarily the elements Fe, Ni, and Cr, and it has the following main composition, given in weight %, Ni 38-48, Cr 18-24, Si 1.0-1.9, C <0.1, and the balance Fe. The alloy provides good hot form stability, good oxidation resistance, and a relatively high electrical resistance coupled with a low change in resistance as a function of temperature.Type: ApplicationFiled: December 7, 2015Publication date: March 24, 2016Applicant: Sandvik Intellectual Property ABInventors: Bo JÖNSSON, Thomas HELANDER
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Patent number: 9260770Abstract: An austenitic alloy for high temperature use, particularly for use in resistance heating elements. The alloy includes primarily the elements Fe, Ni, and Cr, and it has the following main composition, given in weight %, Ni 38-48, Cr 18-24, Si 1.0-1.9, C<0.1, and the balance Fe. The alloy provides good hot form stability, good oxidation resistance, and a relatively high electrical resistance coupled with a low change in resistance as a function of temperature.Type: GrantFiled: December 13, 2010Date of Patent: February 16, 2016Assignee: Sandvik Intellectual Property ABInventors: Bo Jönsson, Thomas Helander
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Publication number: 20150275334Abstract: Nickel based alloy intended for use at high temperatures wherein it comprises in percent by weight (wt-%) C 0.05-0.2, Si max 1.5, Mn max 0.5, Cr 15-20, Al 4-6, Fe 15-25, Co max 10, N 0.03-0.15, O max 0.5, one or more elements selected from the group consisting of Ta, Zr, Hf, Ti and Nb 0.25-2.2, one or more elements selected from the group consisting of REM max 0.5, balance Ni, and normally occurring impurities.Type: ApplicationFiled: June 9, 2015Publication date: October 1, 2015Applicant: Sandvik Intellectual Property ABInventors: Thomas Helander, Mats Lundberg, Bo Jönsson
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Patent number: 8206658Abstract: A metallic tube for heating a medium or subject outside thereof or inside it by transfer of heat energy through walls of the tube, in which heat is absorbed or emitted at least to a substantial degree by radiation on one or both of the inner and outer surfaces of the tube, is of a material forming a layer of essentially Al2O3 on the surfaces thereof when heated to at least approximately 750° C. At least one of the external and the internal surface of the tube is coated by one of a metal, metal alloy and metal compound, which after oxidation forms a layer having an emissivity coefficient exceeding 0.7, or by a layer essentially consisting of a metal oxide which has an emissivity coefficient exceeding 0.7.Type: GrantFiled: November 15, 2006Date of Patent: June 26, 2012Assignee: Sandvik Intellectual Property ABInventors: Claes Öhngren, Bo Jönsson
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Publication number: 20110250463Abstract: Nickel based alloy intended for use at high temperatures wherein it comprises in percent by weight (wt-%) C 0.05-0.2 Si max 1.5 Mn max 0.5 Cr 15-20 Al 4-6 Fe 15-25 Co max 10 N 0.03-0.15 O max 0.5 one or more elements selected from the group consisting of Ta, Zr, Hf, Ti and Nb 0.25-2.2 one or more elements selected from the group consisting of REM max 0.5 balance Ni and normally occurring impurities.Type: ApplicationFiled: November 6, 2009Publication date: October 13, 2011Applicant: Sandvik Intellectual Property ABInventors: Thomas Helander, Mats Lundberg, Bo Jönsson
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Publication number: 20110147368Abstract: An austenitic alloy for high temperature use, particularly for use in resistance heating elements. The alloy includes primarily the elements Fe, Ni, and Cr, and it has the following main composition, given in weight %, Ni 38-48, Cr 18-24, Si 1.0-1.9, C<0.1, and the balance Fe. The alloy provides good hot form stability, good oxidation resistance, and a relatively high electrical resistance coupled with a low change in resistance as a function of temperature.Type: ApplicationFiled: December 13, 2010Publication date: June 23, 2011Applicant: SANDVIK INTELLECTUAL PROPERTY ABInventors: Bo Jönsson, Thomas Helander
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Patent number: 7833011Abstract: A method of igniting and monitoring a high speed burner with which a fuel/oxygen-mixture exits at high velocity from a burner head, wherein the length of the flame is governed by the exit velocity of the mixture. The invention is characterized by placing an electrically conductive pipe in and concentrical with the burner channel for the fuel mixture, by causing a first end of the pipe to terminate close to the fuel mixture outlet of the burner head, by electrically isolating the pipe and by causing the detection of light of the group ultraviolet light, visible light and/or infrared light to be detected at the other end of the pipe, and by causing a spark to be generated between the first end of the pipe and the surrounding burner head by application of a voltage, in igniting the burner. A burner is also disclosed.Type: GrantFiled: October 11, 2005Date of Patent: November 16, 2010Assignee: Sandvik Intellectual Property ABInventors: Bo Jönsson, Kari Korhonen, Pauli Mäenpää, Thomas Lewin
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Publication number: 20070081917Abstract: An austenitic alloy for high temperature use, particularly for use in resistance heating elements. The alloy includes primarily the elements Fe, Ni, and Cr, and it has the following main composition, given in weight %, Ni 38-48, Cr 18-24, Si 1.0-1.9, C<0.1, and the balance Fe. The alloy provides good hot form stability, good oxidation resistance, and a relatively high electrical resistance coupled with a low change in resistance as a function of temperature.Type: ApplicationFiled: September 8, 2004Publication date: April 12, 2007Applicant: SANDVIK INTELLECTUAL PROPERTY ABInventors: Bo Jönsson, Thomas Helander
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Patent number: 6761751Abstract: A method of producing an FeCrAl material by gas atomization, and a high temperature material produced by the method. In addition to containing iron (Fe), chromium (Cr), and aluminium (Al) the material also contains minor fractions of one or more of the materials molybdenum (Mo), hafnium (Hf), zirconium (Zr), yttrium (Y), nitrogen (N), carbon (C) and oxygen (O). The smelt to be atomized contains 0.05-0.50 percent by weight tantalum (Ta) and less than 0.10 percent by weight titanium (Ti). Nitrogen gas (N2) is used as an atomizing gas, to which an amount of oxygen gas (O2) is added, the amount of oxygen gas being such as to cause the atomized powder to contain 0.02-0.10 percent by weight oxygen (O) and 0.01-0.06 percent by weight nitrogen (N).Type: GrantFiled: October 16, 2002Date of Patent: July 13, 2004Assignee: Sandvik ABInventors: Roger Berglund, Bo Jönsson, Jonas Magnusson
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Patent number: 6333007Abstract: A photometer for determining the transmission of a liquid sample in a microcuvette (7, 20, 22) has a cavity for a capillary layer of the liquid sample with a free liquid surface extended transversely of the principal plane of the cavity. The cavity is initially prepared with a reagent to achieve a reaction, which affects the transmission of the liquid sample for indicating its contents of a predetermined substance. The photometer has a holder (6) for the microcuvette and measuring means (9, 10) for measuring the transmission of a bundle of rays directed towards the microcuvette. The cuvette holder (6) is mounted on bearings for vibration in a direction having a component, which extends in the plane of the free liquid surface and is parallel with the principal plane of the cavity, thereby achieving a mixing to accelerate the dissolution and the reaction.Type: GrantFiled: July 7, 2000Date of Patent: December 25, 2001Assignee: Hemocue ABInventors: Johnny Svensson, Bertil Nilsson, Per Olsson, Lars Jansson, Bo Jönsson
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Patent number: 6277795Abstract: A metal wire or a metal strip having a lubricating surface layer is disclosed wherein the surface layer comprises a mixture of a fatty acid having 10-22 carbon atoms and an alkali metal soap of said fatty acid. Furthermore a method of preparing such a wire or strip is disclosed wherein the wire/strip is contacted with a mixture of fatty acid and alkali metal soap according to the above to the formation of the surface layer containing the mixture on the surface of the wire/strip, which surface layer is allowed or caused to dry. The invention also relates to the use of a mixture of fatty acid and an alkali metal soap according to the above for coating as a lubricating surface layer on metal wires or metal strips.Type: GrantFiled: May 3, 1999Date of Patent: August 21, 2001Assignee: Kanthal ABInventors: Magnus Bergman, Bo Jönsson