Patents by Inventor Pascal POULAIN

Pascal POULAIN 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).

  • Production method of maraging steel
    Patent number: 11427897
    Abstract: A production method of a maraging steel includes: the step of producing, by vacuum melting, a remelt electrode which comprises from 0.2 to 3.0% by mass of Ti and from 0.0025 to 0.0050% by mass of N; and the step of remelting the remelt electrode to produce a steel ingot having an average diameter of 650 mm or more; wherein the resulting maraging steel includes from 0.2 to 3.0% by mass of Ti.
    Type: Grant
    Filed: June 10, 2014
    Date of Patent: August 30, 2022
    Assignees: HITACHI METALS, LTD., SAFRAN AIRCRAFT ENGINES
    Inventors: Takahiko Kamimura, Laurent Ferrer, Pascal Poulain
  • PRODUCTION METHOD OF MARAGING STEEL
    Publication number: 20170096728
    Abstract: A production method of a maraging steel includes: the step of producing, by vacuum melting, a remelt electrode which comprises from 0.2 to 3.0% by mass of Ti and from 0.0025 to 0.0050% by mass of N; and the step of remelting the remelt electrode to produce a steel ingot having an average diameter of 650 mm or more; wherein the resulting maraging steel includes from 0.2 to 3.0% by mass of Ti.
    Type: Application
    Filed: June 10, 2014
    Publication date: April 6, 2017
    Applicants: HITACHI METALS, LTD., SAFRAN AIRCRAFT ENGINES
    Inventors: Takahiko KAMIMURA, Laurent FERRER, Pascal POULAIN