Patents by Inventor Gerald Demenna

Gerald Demenna 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).

  • TECHNIQUES AND MATERIALS FOR THE ACCELERATED REMOVAL OF CATALYST MATERIAL FROM DIAMOND BODIES
    Publication number: 20140007512
    Abstract: A method for making a thermally stable cutting element may include forming an acid mixture containing two different acid species by combining an acid solution and at least one acid-forming compound, wherein the at least one acid-forming compound is provided in solid form, and wherein the at least one acid-forming compound produces an acid that is different than the acid solution; treating at least a portion of a sintered diamond body by placing the sintered diamond body in the acid mixture, wherein the sintered diamond body comprises: a matrix phase of bonded-together diamond grains; a plurality of interstitial regions dispersed within the matrix phase; and a metal material disposed within a plurality of the interstitial regions; wherein the treating removes the metal material from at least a portion of the plurality of interstitial regions; and removing the sintered diamond body from the acid mixture after a predetermined length of time, wherein at least a portion of the diamond body removed from the acid mi
    Type: Application
    Filed: September 13, 2013
    Publication date: January 9, 2014
    Applicant: SMITH INTERNATIONAL, INC.
    Inventors: J. Daniel Belnap, Anthony Griffo, Peter Thomas Cariveau, Loel Corbett, Yahua Bao, Gerald Demenna
  • Techniques and materials for the accelerated removal of catalyst material from diamond bodies
    Patent number: 8535400
    Abstract: A method for making a thermally stable cutting element may include forming an acid mixture containing two different acid species by combining an acid solution and at least one acid-forming compound, wherein the at least one acid-forming compound is provided in solid form, and wherein the at least one acid-forming compound produces an acid that is different than the acid solution; treating at least a portion of a sintered diamond body by placing the sintered diamond body in the acid mixture, wherein the sintered diamond body comprises: a matrix phase of bonded-together diamond grains; a plurality of interstitial regions dispersed within the matrix phase; and a metal material disposed within a plurality of the interstitial regions; wherein the treating removes the metal material from at least a portion of the plurality of interstitial regions; and removing the sintered diamond body from the acid mixture after a predetermined length of time, wherein at least a portion of the diamond body removed from the acid mi
    Type: Grant
    Filed: October 19, 2009
    Date of Patent: September 17, 2013
    Assignee: Smith International, Inc.
    Inventors: J. Daniel Belnap, Anthony Griffo, Peter Thomas Cariveau, Loel Corbett, Yahua Bao, Gerald Demenna
  • TECHNIQUES AND MATERIALS FOR THE ACCELERATED REMOVAL OF CATALYST MATERIAL FROM DIAMOND BODIES
    Publication number: 20100095602
    Abstract: A method for making a thermally stable cutting element may include forming an acid mixture containing two different acid species by combining an acid solution and at least one acid-forming compound, wherein the at least one acid-forming compound is provided in solid form, and wherein the at least one acid-forming compound produces an acid that is different than the acid solution; treating at least a portion of a sintered diamond body by placing the sintered diamond body in the acid mixture, wherein the sintered diamond body comprises: a matrix phase of bonded-together diamond grains; a plurality of interstitial regions dispersed within the matrix phase; and a metal material disposed within a plurality of the interstitial regions; wherein the treating removes the metal material from at least a portion of the plurality of interstitial regions; and removing the sintered diamond body from the acid mixture after a predetermined length of time, wherein at least a portion of the diamond body removed from the acid mi
    Type: Application
    Filed: October 19, 2009
    Publication date: April 22, 2010
    Applicant: SMITH INTERNATIONAL, INC.
    Inventors: J. Daniel Belnap, Anthony Griffo, Peter Thomas Cariveau, Loel Corbett, Yahua Bao, Gerald Demenna