Patents by Inventor Sigurd Berg

Sigurd Berg 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).

  • Powder, powder composition, method for use thereof and use of the powder and powder composition
    Patent number: 9816164
    Abstract: An iron-boron alloy powder or an iron-boron alloy powder composition suitable for remediation of halogenated hydrocarbon polluted soil, water or groundwater as well as the use of the powder or powder composition. The boron-iron alloy powder suitable for remediation of polluted soil or waters may have 0.1-40% by weight of boron and inevitable impurities up to a content of 10% by weight. Further, a method for remediation of halogenated hydrocarbon polluted soil, water or groundwater.
    Type: Grant
    Filed: September 18, 2013
    Date of Patent: November 14, 2017
    Assignee: HÖGANÄS AB (PUBL)
    Inventors: Per-Olof Larsson, Sigurd Berg, Hilmar Vidarsson, Leen Bastiaens, Milica Limirovic
  • IRON-BASED POWDER AND COMPOSITION THEREOF
    Publication number: 20160114392
    Abstract: A water-atomized iron-based powder is provided that is pre-alloyed with 0.75-1.1% by weight of Ni, 0.75-1.1% by weight of Mo and up to 0.45% by weight of Mn, and further including 0.5-3.0%, preferably 0.5-2.5% and most preferably 0.5-2.0% by weight of Cu, and inevitable impurities, the balance being Fe.
    Type: Application
    Filed: January 4, 2016
    Publication date: April 28, 2016
    Applicant: HÖGANÄS AB (PUBL)
    Inventors: Sigurd BERG, Ulf ENGSTRÖM, Caroline LARSSON
  • POWDER, POWDER COMPOSITION, METHOD FOR USE THEREOF AND USE OF THE POWDER AND POWDER COMPOSITION
    Publication number: 20150232967
    Abstract: An iron-boron alloy powder or an iron-boron alloy powder composition suitable for remediation of halogenated hydrocarbon polluted soil, water or groundwater as well as the use of the powder or powder composition. The boron-iron alloy powder suitable for remediation of polluted soil or waters may have 0.1-40% by weight of boron and inevitable impurities up to a content of 10% by weight. Further, a method for remediation of halogenated hydrocarbon polluted soil, water or groundwater.
    Type: Application
    Filed: September 18, 2013
    Publication date: August 20, 2015
    Applicant: HOGANAS AB (PUBL)
    Inventors: Per-Olof Larsson, Sigurd Berg, Hilmar Vidarsson, Leen Bastiaens, Milica Velimirovic
  • NITRIDED SINTERED STEELS
    Publication number: 20130136646
    Abstract: The present invention concerns a method of producing sintered components, and sintered components by the method. The method provides a cost effective production of sintered steel parts with wear resistance properties comparable to those of components made from chilled cast iron.
    Type: Application
    Filed: May 24, 2011
    Publication date: May 30, 2013
    Applicant: HOGANAS AB (PUBL)
    Inventors: Sigurd Berg, Senad Dizdar, Ulf Engstrom, Ola Litstrom, Eckart Schneider
  • IRON-BASED POWDER AND COMPOSITION THEREOF
    Publication number: 20100154588
    Abstract: A water-atomized iron-based powder is provided that is pre-alloyed with 0.75-1.1% by weight of Ni, 0.75-1.1% by weight of Mo and up to 0.45% by weight of Mn, and further including 0.5-3.0%, preferably 0.5-2.5% and most preferably 0.5-2.0% by weight of Cu, and inevitable impurities, the balance being Fe.
    Type: Application
    Filed: June 12, 2008
    Publication date: June 24, 2010
    Inventors: Sigurd Berg, Ulf Engström, Caroline Larsson
  • Pre-alloyed iron based powder
    Patent number: 7341689
    Abstract: The invention concerns a new pre alloyed steel powder comprising in addition to iron and inevitable impurities, by wt %, 1.3-1.7% by weight of Cr, 0.15-0.3% by weight of Mo, 0.09-0.3% by weight of Mn, not larger than 0.01 by weight of C, not larger than 0.25% of O.
    Type: Grant
    Filed: December 27, 2005
    Date of Patent: March 11, 2008
    Assignee: Höganäs AB
    Inventors: Ulf Engström, Sigurd Berg
  • Pre-alloyed iron based powder
    Publication number: 20060099105
    Abstract: The invention concerns a new pre alloyed steel powder comprising in addition to iron and inevitable impurities, by wt %, 1.3-1.7% by weight of Cr, 0.15-0.3% by weight of Mo, 0.09-0.3% by weight of Mn, not larger than 0.01 by weight of C, not larger than 0.25% of O.
    Type: Application
    Filed: December 27, 2005
    Publication date: May 11, 2006
    Applicant: Hoganas AB
    Inventors: Ulf Engstrom, Sigurd Berg
  • Pre-alloyed iron based powder
    Publication number: 20030233911
    Abstract: The invention concerns a new pre alloyed steel powder comprising in addition to iron and inevitable impurities, by wt %, 1.3-1.7% by weight of Cr, 0.15-0.3% by weight of Mo, 0.09-0.3% by weight of Mn, not larger than 0.01 by weight of C, not larger than 0.25% of O.
    Type: Application
    Filed: August 1, 2002
    Publication date: December 25, 2003
    Inventors: Ulf Engstrom, Sigurd Berg
  • Amide wax lubricant for warm compaction of an iron-based powder composition
    Patent number: 6573225
    Abstract: The invention concerns a metal powder composition for warm compaction comprising an iron-based powder and lubricant powder consisting of a polycarboxylic acid amide wax having a melting point peak in the range of 180° to 210° C.
    Type: Grant
    Filed: February 19, 2002
    Date of Patent: June 3, 2003
    Assignee: Höganäs AB
    Inventors: Hilmar Vidarsson, Sigurd Berg