Patents by Inventor Robert Frykholm

Robert Frykholm 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).

  • WEAR-RESISTANT IRON-BASED ALLOY COMPOSITIONS COMPRISING CHROMIUM
    Publication number: 20230091911
    Abstract: An iron-based alloy composition including: boron (B): 1.6-2.4 wt. %; carbon (C): 2.2-3.0 wt. %; chromium (Cr): 3.5-5.0 wt. %; manganese (Mn): below 0.8 wt. %; molybdenum (Mo): 16.0-19.5 wt. %; nickel (Ni): 1.0-2.0 wt. %; silicon (Si): 0.2-2.0 wt. %; vanadium (V): 10.8-13.2 wt. %; and balanced with iron (Fe). Further, an item including a substrate portion and a hardfacing coating bonded to the substrate portion, wherein the hardfacing coating is made by an overlay welding process using the iron-based alloy composition.
    Type: Application
    Filed: May 23, 2022
    Publication date: March 23, 2023
    Applicant: Höganäs AB (Publ)
    Inventors: Barbara MAROLI, Robert FRYKHOLM, Sven BENGTSSON, Karin FRISK
  • Wear-resistant iron-based alloy compositions comprising chromium
    Patent number: 11370198
    Abstract: An iron-based alloy composition including: boron (B): 1. 6-2.4 wt. %; carbon (C): 2.2-3.0 wt. %; chromium (Cr): 3.5-5.0 wt. %; manganese (Mn): below 0.8 wt. %; molybdenum (Mo): 16.0-19.5 wt. %; nickel (Ni): 1.0-2.0 wt. %; silicon (Si): 0.2-2.0 wt. %; vanadium (V): 10.8-13.2 wt. %; and balanced with iron (Fe). Further, an item including a substrate portion and a hardfacing coating bonded to the substrate portion, wherein the hardfacing coating is made by an overlay welding process using the iron-based alloy composition.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: June 28, 2022
    Assignee: HÖGANÄS AB (PUBL)
    Inventors: Barbara Maroli, Robert Frykholm, Sven Bengtsson, Karin Frisk
  • WEAR-RESISTANT IRON-BASED ALLOY COMPOSITIONS COMPRISING NICKEL
    Publication number: 20210246537
    Abstract: An iron-based alloy composition including: boron (B): 1.6-2.4 wt. %; carbon (C): 1.7-3.0 wt. %; molybdenum (Mo): 16.0-19.5 wt. %; nickel (Ni): 3.5-6.5 wt. %; manganese (Mn): below 0.8 wt. %; silicon (Si): 0.2-3.0 wt. %; vanadium (V): 10.8-13.2 wt. %; and balanced with iron (Fe). Also, an item including a substrate portion and a hardfacing coating bonded to the substrate portion, wherein the hardfacing coating is made by an overlay welding process using the iron-based alloy composition.
    Type: Application
    Filed: June 25, 2019
    Publication date: August 12, 2021
    Applicant: Höganäs AB (Publ)
    Inventors: Barbara MAROLI, Robert FRYKHOLM, Sven BENGTSSON, Karin FRISK
  • WEAR-RESISTANT IRON-BASED ALLOY COMPOSITIONS COMPRISING CHROMIUM
    Publication number: 20210197524
    Abstract: An iron-based alloy composition including: boron (B): 1. 6-2.4 wt. %; carbon (C): 2.2-3.0 wt. %; chromium (Cr): 3.5-5.0 wt. %; manganese (Mn): below 0.8 wt. %; molybdenum (Mo): 16.0-19.5 wt. %; nickel (Ni): 1.0-2.0 wt. %; silicon (Si): 0.2-2.0 wt. %; vanadium (V): 10.8-13.2 wt. %; and balanced with iron (Fe). Further, an item including a substrate portion and a hardfacing coating bonded to the substrate portion, wherein the hardfacing coating is made by an overlay welding process using the iron-based alloy composition.
    Type: Application
    Filed: June 25, 2019
    Publication date: July 1, 2021
    Applicant: HÖGANÄS AB (PUBL)
    Inventors: Barbara MAROLI, Robert FRYKHOLM, Sven BENGTSSON, Karin FRISK
  • LOW ALLOYED STEEL POWDER
    Publication number: 20160258044
    Abstract: A water atomized pre-alloyed iron-based steel powder which includes by weight-%: 0.4-2.0 Cr, 0.1-0.8 Mn, less than 0.1 V, less than 0.1 Mo, less than 0.1 Ni, less than 0.2 Cu, less than 0.1 C, less than 0.25 O, less than 0.5 of unavoidable impurities, and the balance being iron.
    Type: Application
    Filed: May 16, 2016
    Publication date: September 8, 2016
    Applicant: HOGANAS AB (PUBL)
    Inventors: Ola LITSTRÖM, Sven BENGTSSON, Robert FRYKHOLM, Ola Bergman
  • LOW ALLOYED STEEL POWDER
    Publication number: 20100316521
    Abstract: A water atomised prealloyed iron-based steel powder is provided which comprises by weight-%: 0.4-2.0 Cr, 0.1-0.8 Mn, less than 0.1 V, less than 0.1 Mo, less than 0.1 Ni, less than 0.2 Cu, less than 0.1 C, less than 0.25 O, less than 0.5 of unavoidable impurities, and the balance being iron.
    Type: Application
    Filed: December 18, 2008
    Publication date: December 16, 2010
    Applicant: HOGANAS AB (PUBL)
    Inventors: Ola Litström, Sven Bengtsson, Robert Frykholm, Ola Bergman