Patents by Inventor Poonjolai Erasenthiran

Poonjolai Erasenthiran 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 apparatus for combining particulate material
    Patent number: 8535036
    Abstract: A method of selectively combining particulate material, for example plastics material by sintering, comprises providing a layer of particulate material, providing radiation, for example using a radiation source over the layer, and varying the absorption of the provided radiation across a selected surface portion of the layer to combine a portion of the material of the layer. The method may comprise varying radiation absorption by varying the intensity of the radiation incident on the surface portion of the layer, or alternatively may comprise varying the radiation absorptive properties of the particulate material over the selected surface portion of the layer, for example by printing a radiation absorbent material onto the surface portion.
    Type: Grant
    Filed: January 14, 2011
    Date of Patent: September 17, 2013
    Assignee: Loughborough University Enterprises Limited
    Inventors: Neil Hopkinson, Poonjolai Erasenthiran
  • METHOD AND APPARATUS FOR COMBINING PARTICULATE MATERIAL
    Publication number: 20110107967
    Abstract: A method of selectively combining particulate material, for example plastics material by sintering, comprises providing a layer of particulate material, providing radiation, for example using a radiation source over the layer, and varying the absorption of the provided radiation across a selected surface portion of the layer to combine a portion of the material of the layer. The method may comprise varying radiation absorption by varying the intensity of the radiation incident on the surface portion of the layer, or alternatively may comprise varying the radiation absorptive properties of the particulate material over the selected surface portion of the layer, for example by printing a radiation absorbent material onto the surface portion.
    Type: Application
    Filed: January 14, 2011
    Publication date: May 12, 2011
    Applicant: LOUGHBOROUGH UNIVERSITY ENTERPRISES LIMITED
    Inventors: Neil HOPKINSON, Poonjolai ERASENTHIRAN
  • Method and apparatus for combining particulate material
    Patent number: 7879282
    Abstract: A method of selectively combining particulate material, for example plastics material by sintering, comprises providing a layer of particulate material, providing radiation, for example using a radiation source over the layer, and varying the absorption of the provided radiation across a selected surface portion of the layer to combine a portion of the material of the layer. The method may comprise varying radiation absorption by varying the intensity of the radiation incident on the surface portion of the layer, or alternatively may comprise varying the radiation absorptive properties of the particulate material over the selected surface portion of the layer, for example by printing a radiation absorbent material onto the surface portion.
    Type: Grant
    Filed: July 2, 2004
    Date of Patent: February 1, 2011
    Assignee: Loughborough University Enterprises Limited
    Inventors: Neil Hopkinson, Poonjolai Erasenthiran
  • Method and apparatus for combining particulate material
    Publication number: 20060180957
    Abstract: A method of selectively combining particulate material, for example plastics material by sintering, comprises providing a layer of particulate material, providing radiation, for example using a radiation source over the layer, and varying the absorption of the provided radiation across a selected surface portion of the layer to combine a portion of the material of the layer. The method may comprise varying radiation absorption by varying the intensity of the radiation incident on the surface portion of the layer, or alternatively may comprise varying the radiation absorptive properties of the particulate material over the selected surface portion of the layer, for example by printing a radiation absorbent material onto the surface portion.
    Type: Application
    Filed: July 2, 2004
    Publication date: August 17, 2006
    Inventors: Neil Hopkinson, Poonjolai Erasenthiran