Patents by Inventor Parvinder Singh Walia

Parvinder Singh Walia 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).

  • Retractable pin mixing sample forming device
    Patent number: 8220985
    Abstract: The invention is a device for processing materials comprising a mixing chamber having a valve for removal of the material from the mixing chamber and a piston which fits within the mixing chamber in a manner such that the piston can be moved to remove substantially all material from the mixing chamber via the valve; at least one, preferably at least two, retractable mixing element(s) wherein each of such elements is movable in and out of the mixing chamber through a port wherein the element and port are configured such that during mixing and when the element is withdrawn from the mixing chamber substantially no material is removed from the mixing chamber via the port. The invention is also a method of using such a device and a system comprising use of such devices in an automated or partially automated array.
    Type: Grant
    Filed: February 7, 2007
    Date of Patent: July 17, 2012
    Assignee: Dow Global Technologies LLC
    Inventors: Mark Alan Barger, Parvinder Singh Walia, Matthew T. Bishop, Anthony Charles Neubauer, Joseph Dooley, Shih-Yaw Lai, Luciana Rudolph
  • RETRACTABLE PIN MIXING SAMPLE FORMING DEVICE
    Publication number: 20090316520
    Abstract: The invention is a device for processing materials comprising a mixing chamber having a valve for removal of the material from the mixing chamber and a piston which fits within the mixing chamber in a manner such that the piston can be moved to remove substantially all material from the mixing chamber via the valve; at least one, preferably at least two, retractable mixing element(s) wherein each of such elements is movable in and out of the mixing chamber through a port wherein the element and port are configured such that during mixing and when the element is withdrawn from the mixing chamber substantially no material is removed from the mixing chamber via the port. The invention is also a method of using such a device and a system comprising use of such devices in an automated or partially automated array.
    Type: Application
    Filed: February 7, 2007
    Publication date: December 24, 2009
    Inventors: Mark Alan Barger, Parvinder Singh Walia, Matthew T. Bishop, Anthony Charles Neubauer, Joseph Dooley, Shih-yaw Lai, Luciana Rudolph
  • Polymers filled with highly expanded graphite
    Publication number: 20080171824
    Abstract: Polymers are filled with from 1 to 8% by weight of an expanded graphite having a BET surface area of at least 120 m2/g. Processes for preparing such polymers include forming a dispersion of the expanded graphite in a polymerizable monomer or curable polymer precursor, and polymerizing or curing same in the presence of the expanded graphite. Electroconductive polymers can be prepared in this manner using low levels of the expanded graphite material.
    Type: Application
    Filed: August 9, 2007
    Publication date: July 17, 2008
    Inventors: Robert C. Cieslinski, Parvinder Singh Walia, David H. Bank