Patents by Inventor Henrik Jesperson

Henrik Jesperson 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).

  • HOT-WORK TOOL STEEL AND A PROCESS FOR MAKING A HOT-WORK TOOL STEEL
    Publication number: 20160115573
    Abstract: A low-chromium hot-work tool steel consisting of (in wt-%): C 0.08-0.40, N 0.015-0.30, C+N 0.30-0.50, Cr 1-4, Mo 1.5-3, V 0.8-1.3, Mn 0.5-2, Si 0.1-0.5, optionally Ni<3, Co?5, B<0.01, Fe balance apart from impurities, and a process for making a low-chromium hot-work tool steel article having increased tempering resistance.
    Type: Application
    Filed: January 6, 2016
    Publication date: April 28, 2016
    Inventors: Jörgen ANDERSSON, Henrik JESPERSON, Hans-Olof ANDRÉN, Lars-Erik SVENSSON
  • HOT-WORK TOOL STEEL AND A PROCESS FOR MAKING A HOT-WORK TOOL STEEL
    Publication number: 20140056749
    Abstract: A low-chromium hot-work tool steel consisting of (in wt-%): C 0.08-0.40, N 0.015-0.30, C+N 0.30-0.50, Cr 1-4, Mo 1.5-3, V 0.8-1.3, Mn 0.5-2, Si 0.1-0.5, optionally Ni<3, Co?5, B<0.01, Fe balance apart from impurities, and a process for making a low-chromium hot-work tool steel article having increased tempering resistance.
    Type: Application
    Filed: March 1, 2012
    Publication date: February 27, 2014
    Applicant: UDDEHOLMS AB
    Inventors: Jürgen Andersson, Henrik Jesperson, Hans-Olof Andrén, Lars-Erik Svensson
  • Steel alloy, steel product and use thereof
    Patent number: 6048491
    Abstract: A steel alloy ahs the following composition in weight % 0.075-0.15% C from traces to max. 1.0 Si, 1-3 Mn, 2-5 Cr, 1-4 Ni, wherein the total amount of Mn+Cr+Ni>6, 0.1-1.0 Mo, which wholly or partly can be replaced by the double amount of W, max. 0.015 P, max 0.02 S, balance essentially only iron and impurities and accessory elements in normal amounts.
    Type: Grant
    Filed: November 30, 1998
    Date of Patent: April 11, 2000
    Assignee: Uddeholm Tooling Aktiebolag
    Inventors: Lars-.ANG.ke Norstrom, Henrik Jesperson