Patents by Inventor Thomas Helander

Thomas Helander 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: 20220074026
    Abstract: The present disclosure relates to the use of a component manufactured of an aluminium alloyed nickel-based material in a molten salt environment, especially a carbonate salt environments.
    Type: Application
    Filed: December 21, 2018
    Publication date: March 10, 2022
    Applicant: Sandvik Intellectual Property AB
    Inventors: Christine GEERS, Thomas HELANDER, Mats LUNDBERG
  • Patent number: 10683569
    Abstract: 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: Grant
    Filed: September 4, 2018
    Date of Patent: June 16, 2020
    Assignee: Sandvik Intellectual Property AB
    Inventors: Bo Jönsson, Thomas Helander
  • Publication number: 20190292631
    Abstract: The present application relates to an object comprising a pre-oxidized nickel based alloy comprising 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 5; 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 an also to the use of said object wherein the use is in an environment comprised of high concentration of nitrogen, low partial pressure of oxygen and high temperature.
    Type: Application
    Filed: May 19, 2017
    Publication date: September 26, 2019
    Applicant: Sandvik Intellectual Property AB
    Inventors: Thomas HELANDER, Mats LUNDBERG
  • Publication number: 20180371592
    Abstract: 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: Application
    Filed: September 4, 2018
    Publication date: December 27, 2018
    Applicant: Sandvik Intellectual Property AB
    Inventors: Bo JÖNSSON, Thomas HELANDER
  • Publication number: 20170304960
    Abstract: A filler for welding including (in % by weight): C: ?0.036, Ni: 15.0-20.0, Cr: 15.0-22.0, Mn: 0.75-2.0, Zr: 0.1-1.45, Si: 0-1.5, Al: 0-2, N: <0.06, and a balance of Fe and inevitable impurities.
    Type: Application
    Filed: July 10, 2017
    Publication date: October 26, 2017
    Applicant: Sandvik Intellectual Property AB
    Inventors: Joel HELLSTEN, Susanne HELLSTRÖM SELIN, Thomas HELANDER
  • Publication number: 20160144463
    Abstract: A filler for welding including (in % by weight): C: ?0.036 Ni: 15.0-20.0 Cr: 15.0-22.0 Mn: 0.75-2.0 Zr: 0.1-1.45 Si: 0-1.5 Al: 0-2 N: <0.06 and a balance of Fe and inevitable impurities.
    Type: Application
    Filed: June 17, 2014
    Publication date: May 26, 2016
    Inventors: Joel HELLSTEN, Susanne HELLSTROM SELIN, Thomas HELANDER
  • Publication number: 20160083822
    Abstract: 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: Application
    Filed: December 7, 2015
    Publication date: March 24, 2016
    Applicant: Sandvik Intellectual Property AB
    Inventors: Bo JÖNSSON, Thomas HELANDER
  • Patent number: 9260770
    Abstract: 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: Grant
    Filed: December 13, 2010
    Date of Patent: February 16, 2016
    Assignee: Sandvik Intellectual Property AB
    Inventors: Bo Jönsson, Thomas Helander
  • Publication number: 20150275334
    Abstract: 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: Application
    Filed: June 9, 2015
    Publication date: October 1, 2015
    Applicant: Sandvik Intellectual Property AB
    Inventors: Thomas Helander, Mats Lundberg, Bo Jönsson
  • Patent number: 8597438
    Abstract: A roller for a roller hearth furnace comprising a dispersion strengthened steel is disclosed. The roller does not require any coating or reconditioning.
    Type: Grant
    Filed: October 5, 2007
    Date of Patent: December 3, 2013
    Assignee: Sandvik Intellectual Property AB
    Inventors: Dilip Chandrasekaran, Thomas Helander, Thomas Lewin, Thomas Odelstam, Jan Innerman
  • Publication number: 20110250463
    Abstract: 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: Application
    Filed: November 6, 2009
    Publication date: October 13, 2011
    Applicant: Sandvik Intellectual Property AB
    Inventors: Thomas Helander, Mats Lundberg, Bo Jönsson
  • Publication number: 20110147368
    Abstract: 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: Application
    Filed: December 13, 2010
    Publication date: June 23, 2011
    Applicant: SANDVIK INTELLECTUAL PROPERTY AB
    Inventors: Bo Jönsson, Thomas Helander
  • Publication number: 20100289194
    Abstract: A roller for a roller hearth furnace comprising a dispersion strengthened steel is disclosed. The roller does not require any coating or reconditioning.
    Type: Application
    Filed: October 5, 2007
    Publication date: November 18, 2010
    Applicant: SANDVIK INTELLECTUAL PROPERTY AB
    Inventors: Dilip Chandrasekaran, Thomas Helander, Thomas Lewin, Thomas Odelstam, Jan Innerman
  • Publication number: 20070081917
    Abstract: 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: Application
    Filed: September 8, 2004
    Publication date: April 12, 2007
    Applicant: SANDVIK INTELLECTUAL PROPERTY AB
    Inventors: Bo Jönsson, Thomas Helander