Patents by Inventor Vaidyanath Rajan

Vaidyanath Rajan 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).

  • Method and system to start and use combination filler wire feed and high intensity energy source for welding
    Patent number: 9782850
    Abstract: A method and system to weld or join workpieces employing a high intensity energy source to create a weld puddle and at least one resistive filler wire which is heated to at or near its melting temperature and deposited into the weld puddle.
    Type: Grant
    Filed: June 12, 2015
    Date of Patent: October 10, 2017
    Assignee: Lincoln Global, Inc.
    Inventors: Steven R Peters, Kent Johns, Michael Whitehead, Paul E Denney, Jonathan S Ogborn, Andrew Peters, Stephen Cole, Michael Flagg, Vaidyanath Rajan
  • Method and system to start and use combination filler wire feed and high intensity energy source for welding
    Patent number: 9085041
    Abstract: A method and system to weld or join workpieces employing a high intensity energy source to create a weld puddle and at least one resistive filler wire which is heated to at or near its melting temperature and deposited into the weld puddle.
    Type: Grant
    Filed: July 12, 2012
    Date of Patent: July 21, 2015
    Assignee: LINCOLN GLOBAL, INC.
    Inventors: Steven R Peters, Kent Johns, Michael Whitehead, Paul E Dehney, Jonathan S Ogborn, Andrew Peters, Stephen Cole, Michael S Flagg, Vaidyanath Rajan
  • Feeding lubricant for cored welding electrode
    Patent number: 8395071
    Abstract: A feeding lubricant for use on a welding electrode comprises about 10 to 40 wt. % of at least one soap-based lubricant, about 40 to 90 wt. % of at least one solid particulate lubricant selected from MoS2, WS2, ZnO, graphite and PTFE and up to 20 wt. % of at least one optional additional particulate lubricant ingredient.
    Type: Grant
    Filed: April 2, 2010
    Date of Patent: March 12, 2013
    Assignee: Lincoln Global, Inc.
    Inventors: Radhika Panday, Vaidyanath Rajan, Jean Victoria Reid, Campbell Ian Sidders
  • METHOD AND SYSTEM TO START AND USE COMBINATION FILLER WIRE FEED AND HIGH INTENSITY ENERGY SOURCE FOR WELDING
    Publication number: 20130043219
    Abstract: A method and system to weld or join workpieces employing a high intensity energy source to create a weld puddle and at least one resistive filler wire which is heated to at or near its melting temperature and deposited into the weld puddle.
    Type: Application
    Filed: July 12, 2012
    Publication date: February 21, 2013
    Applicant: LINCOLN GLOBAL, INC.
    Inventors: Steven R. Peters, Kent Johns, Michael Whitehead, Paul E. Denney, Jonathan S. Ogborn, Andrew Peters, Stephen Cole, Michael S Flagg, Vaidyanath Rajan
  • FEEDING LUBRICANT FOR CORED WELDING ELECTRODE
    Publication number: 20110240604
    Abstract: A feeding lubricant for use on a welding electrode comprises about 10 to 40 wt. % of at least one soap-based lubricant, about 40 to 90 wt. % of at least one solid particulate lubricant selected from MoS2, WS2, ZnO, graphite and PTFE and up to 20 wt. % of at least one optional additional particulate lubricant ingredient.
    Type: Application
    Filed: April 2, 2010
    Publication date: October 6, 2011
    Applicant: Lincoln Global, Inc.
    Inventors: Radhika Panday, Vaidyanath Rajan, Jean Victoria Reid, Campbell Ian Sidders
  • WELDING CONTACT TIP AND WELDING GUN INCORPORATING THE SAME
    Publication number: 20100320184
    Abstract: A welding contact tip having a body portion and bore passing through the body portion. The welding contact tip is made from an alloy which comprises diamonds and/or diamond powder.
    Type: Application
    Filed: June 19, 2009
    Publication date: December 23, 2010
    Applicant: LINCOLN GLOBAL, INC.
    Inventors: Edward Enyedy, Todd E. Kooken, Steven Peters, Keith Clark, Vaidyanath Rajan
  • Metal cored wire
    Publication number: 20070181549
    Abstract: A metal cored electrode used to form a weld metal on a workpiece having improved yield strength, tensile strength and impact toughness.
    Type: Application
    Filed: February 9, 2006
    Publication date: August 9, 2007
    Inventors: Dennis Hartman, Vaidyanath Rajan
  • Process for manufacturing packaged cored welding electrode
    Publication number: 20070051716
    Abstract: A manufacturing process is disclosed for manufacturing and packaging cored welding electrode. The process comprises providing core fill material, providing a strip of sheath material, bending the strip into a U or V shape, adding the fill material into a channel of the bent strip, joining the outer edges of the strip to provide a cored electrode with the fill material enclosed within the sheath material, providing a generally rectangular container, and installing the cored electrode into the container.
    Type: Application
    Filed: September 6, 2005
    Publication date: March 8, 2007
    Inventors: Dennis Hartman, Herbert Matthews, James Nicklas, Vaidyanath Rajan
  • Wire electrode with improved slag properties
    Publication number: 20060186103
    Abstract: A metal core electrode used to form weld deposits having improved slag forming properties with respect to reduced accumulation of slag in toes of the weld bead. The metal cored electrode includes a metal rod and a fill composition. The electrode includes a slag-modifying additive that contains metallic indium and/or one or more indium compounds.
    Type: Application
    Filed: February 22, 2005
    Publication date: August 24, 2006
    Inventor: Vaidyanath Rajan