Patents by Inventor Peter Van Erk

Peter Van Erk 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).

  • Flux cored welding electrode for 5-9% nickel steel
    Patent number: 9962794
    Abstract: A flux cored welding electrode for welding a 5-9% nickel steel workpiece by a flux cored arc welding (FCAW) process comprises a particulate core and a metal sheath surrounding the particulate core, wherein chemical composition of the metal sheath and the chemical composition of the particulate core are selected so that the weld deposit composition produced by the welding electrode comprises ?0.15 C, ?6.0 Mn, ?1.0 Si, ?0.025 P, ?0.020 S, 12.0-20.0 Cr, ?55.0 Ni, 5.5-7.5 Mo, 1.2-1.8 Nb+Ta, ?12 Fe, ?0.3 Cu and 0.5-4.0 W.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: May 8, 2018
    Assignee: LINCOLN GLOBAL, INC.
    Inventors: Zhuyao Zhang, Vincent van der Mee, Peter van Erk, Mark Buxton
  • FLUX CORED WELDING ELECTRODE FOR 5-9% NICKEL STEEL
    Publication number: 20150076130
    Abstract: A flux cored welding electrode for welding a 5-9% nickel steel workpiece by a flux cored arc welding (FCAW) process comprises a particulate core and a metal sheath surrounding the particulate core, wherein chemical composition of the metal sheath and the chemical composition of the particulate core are selected so that the weld deposit composition produced by the welding electrode comprises ?0.15 C, ?6.0 Mn, ?1.0 Si, ?0.025 P, ?0.020 S, 12.0-20.0 Cr, ?55.0 Ni, 5.5-7.5 Mo, 1.2-1.8 Nb+Ta, ?12 Fe, ?0.3 Cu and 0.5-4.0 W.
    Type: Application
    Filed: September 12, 2014
    Publication date: March 19, 2015
    Inventors: Zhuyao Zhang, Vincent van der Mee, Peter van Erk, Mark Buxton
  • METHOD OF OPEN ROOT WELDING
    Publication number: 20090045172
    Abstract: A method of welding the ends of two pipe sections at the open root between said spaced ends, said method comprising: selecting a metal cored welding wire having a metal sheath and a core, the wire comprising about 0.08-0.13% by weight of carbon, about 0.60-1.20% by weight manganese, and about 0.0-0.40% by weight silicon, as well as sulfur, phosphorous, chromium, nickel, molybdenum, niobium, vanadium, nitrogen, copper, and aluminum.
    Type: Application
    Filed: August 13, 2007
    Publication date: February 19, 2009
    Applicant: LINCOLN GLOBAL, INC.
    Inventor: Peter Van Erk