Patents by Inventor Paul S. Dando

Paul S. Dando 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).

  • Patent number: 8043393
    Abstract: A bonded abrasive article is provided that includes abrasive grains within a bond matrix, the abrasive grains including cubic boron nitride (cBN) and the bond matrix including a polycrystalline ceramic phase. The bonded abrasive may have a Modulus of Rupture (MOR) of not less than about 40 MPa. Certain embodiments may have porosity, such as greater than about 5.0 vol %.
    Type: Grant
    Filed: March 13, 2008
    Date of Patent: October 25, 2011
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Gilles Querel, Paul S. Dando, Cecile Jousseaume, Richard W. Hall
  • Patent number: 7935158
    Abstract: A bonded abrasive article is provided which includes abrasive grains made of cubic boron nitride within a bond matrix including a silicate. The bonded abrasive further includes a reaction product at the interface between the abrasive grains and bond matrix comprising a transition metal nitride.
    Type: Grant
    Filed: March 13, 2008
    Date of Patent: May 3, 2011
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Gilles Querel, Cecile Jousseaume, Paul S. Dando, Richard W. Hall
  • Publication number: 20080222967
    Abstract: A bonded abrasive article is provided that includes abrasive grains within a bond matrix, the abrasive grains including cubic boron nitride (cBN) and the bond matrix including a polycrystalline ceramic phase. The bonded abrasive may have a Modulus of Rupture (MOR) of not less than about 40 MPa. Certain embodiments may have porosity, such as greater than about 5.0 vol %.
    Type: Application
    Filed: March 13, 2008
    Publication date: September 18, 2008
    Applicants: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS TECHNOLOGIE ET SERVICES, S.A.S
    Inventors: Gilles Querel, Paul S. Dando, Cecile Jousseaume, Richard W. Hall
  • Publication number: 20080222965
    Abstract: A bonded abrasive article is provided which includes abrasive grains made of cubic boron nitride within a bond matrix including a silicate. The bonded abrasive further includes a reaction product at the interface between the abrasive grains and bond matrix comprising a transition metal nitride.
    Type: Application
    Filed: March 13, 2008
    Publication date: September 18, 2008
    Applicants: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS TECHNOLOGIE ET SERVICES, S.A.S.
    Inventors: Gilles Querel, Cecile Jousseaume, Paul S. Dando, Richard W. Hall