Patents by Inventor Ketil Evjedal

Ketil Evjedal 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 device for catchment of platinum group metals in a gas stream
    Patent number: 8562926
    Abstract: A method and device for catchment of platinum group metals (PGM) in a gaseous steam, where the method comprises using a catalyst comprising a porous ceramic body in which at least a part of the surface area is covered by one or more PGM-catching metal(s)/alloy(s), and where the device comprises the porous ceramic body in which at least a part of the surface area is covered by one or more PGM-catching metal(s)/alloy(s). In a further aspect, the invention also relates to a method for producing the inventive device.
    Type: Grant
    Filed: November 7, 2011
    Date of Patent: October 22, 2013
    Assignee: Yara International ASA
    Inventors: David Waller, David M. Brackenbury, Ketil Evjedal
  • METHOD AND DEVICE FOR CATCHMENT OF PLATINUM GROUP METALS IN A GAS STREAM
    Publication number: 20120076710
    Abstract: A method and device for catchment of platinum group metals (PGM) in a gaseous steam, where the method comprises using a catalyst comprising a porous ceramic body in which at least a part of the surface area is covered by one or more PGM-catching metal(s)/alloy(s), and where the device comprises the porous ceramic body in which at least a part of the surface area is covered by one or more PGM-catching metal(s)/alloy(s). In a further aspect, the invention also relates to a method for producing the inventive device.
    Type: Application
    Filed: November 7, 2011
    Publication date: March 29, 2012
    Inventors: David Waller, David M. Brackenbury, Ketil Evjedal
  • Method and device for catchment of platinum group metals in a gas stream
    Patent number: 8105975
    Abstract: This invention relates to a method and device for catchment of platinum group metals (PGM) in a gaseous stream, where the method comprises using a catalyst comprising a porous ceramic body in which at least a part of the surface area is covered by one or more PGM-catching metal(s)/alloy(s), and where the device comprises the porous ceramic body in which at least a part of the surface area is covered by one or more PGM-catching metal(s)/alloy(s). In a further aspect, the invention also relates to a method for producing the inventive device.
    Type: Grant
    Filed: September 7, 2007
    Date of Patent: January 31, 2012
    Assignee: Yara International ASA
    Inventors: David Waller, David M. Brackenbury, Ketil Evjedal
  • Method and device for catchment of platinum group metals in a gas stream
    Publication number: 20090274597
    Abstract: This invention relates to a method and device for catchment of platinum group metals (PGM) in a gaseous stream, where the method comprises using a catalyst comprising a porous ceramic body in which at least a part of the surface area is covered by one or more PGM-catching metal(s)/alloy(s), and where the device comprises the porous ceramic body in which at least a part of the surface area is covered by one or more PGM-catching metal(s)/alloy(s). In a further aspect, the invention also relates to a method for producing the inventive device.
    Type: Application
    Filed: September 7, 2007
    Publication date: November 5, 2009
    Inventors: David Waller, David M. Brackenbury, Ketil Evjedal