Patents by Inventor Christian VALLADE

Christian VALLADE 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: 20220056545
    Abstract: Disclosed is a steel composition including specified ranges of Ni; Mo; Co; Mo+Co+Si+Mn+Cu+W+V+Nb+Zr+Ta+Cr+C; Co+Mo; Ni+Co+Mo; and traces of Al; Ti; N; Si; Mn; C; S; P; B; H; O; Cr; Cu; W; Zr; Ca; Mg; Nb; V; and Ta in specified ranges; the remainder being iron and impurities. The inclusion population, as observed by image analysis over a polished surface measuring 650 mm2 if hot-formed or hot-rolled; and measuring 800 mm2 if cold-rolled, does not contain non-metallic inclusions of diameter >10 ?m, and, in the case of a hot-rolled sheet, does not contain more than four non-metallic inclusions of diameter 5-10 ?m over 100 mm2, the observation being performed by image analysis over a polished surface measuring 650 mm2.
    Type: Application
    Filed: November 1, 2021
    Publication date: February 24, 2022
    Inventors: Valerie PERRIN GUERIN, Gilles PINTON, Angeline BORDAS, Christian VALLADE
  • Patent number: 11186886
    Abstract: Disclosed is a steel composition including specified ranges of Ni; Mo; Co; Mo+Co+Si+Mn+Cu+W+V+Nb+Zr+Ta+Cr+C; Co+Mo; Ni+Co+Mo; and traces of Al; Ti; N; Si; Mn; C; S; P; B; H; O; Cr; Cu; W; Zr; Ca; Mg; Nb; V; and Ta in specified ranges; the remainder being iron and impurities. The inclusion population, as observed by image analysis over a polished surface measuring 650 mm2 if hot-formed or hot-rolled; and measuring 800 mm2 if cold-rolled, does not contain non-metallic inclusions of diameter>10 ?m, and, in the case of a hot-rolled sheet, does not contain more than four non-metallic inclusions of diameter 5-10 ?m over 100 mm2, the observation being performed by image analysis over a polished surface measuring 650 mm2.
    Type: Grant
    Filed: April 25, 2016
    Date of Patent: November 30, 2021
    Assignee: APERAM
    Inventors: Valerie Perrin Guerin, Gilles Pinton, Angeline Bordas, Christian Vallade
  • Publication number: 20180087123
    Abstract: Disclosed is a steel composition including specified ranges of Ni; Mo; Co; Mo+Co+Si+Mn+Cu+W+V+Nb+Zr+Ta+Cr+C; Co+Mo; Ni+Co+Mo; and traces of Al; Ti; N; Si; Mn; C; S; P; B; H; O; Cr; Cu; W; Zr; Ca; Mg; Nb; V; and Ta in specified ranges; the remainder being iron and impurities. The inclusion population, as observed by image analysis over a polished surface measuring 650 mm2 if hot-formed or hot-rolled; and measuring 800 mm2 if cold-rolled, does not contain non-metallic inclusions of diameter >10 ?m, and, in the case of a hot-rolled sheet, does not contain more than four non-metallic inclusions of diameter 5-10 ?m over 100 mm2, the observation being performed by image analysis over a polished surface measuring 650 mm2.
    Type: Application
    Filed: April 25, 2016
    Publication date: March 29, 2018
    Inventors: Valerie PERRIN GUERIN, Gilles PINTON, Angeline BORDAS, Christian VALLADE