Patents by Inventor Sandhya Jayaraman Rukmani

Sandhya Jayaraman Rukmani 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).

  • Abrasive article including shaped abrasive particles comprising a particular toothed body
    Patent number: 11932802
    Abstract: Various shaped abrasive particles are disclosed. Each shaped abrasive particle includes a body having at least one major surface and a side surface extending from the major surface.
    Type: Grant
    Filed: December 2, 2022
    Date of Patent: March 19, 2024
    Assignee: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Todd M. Cotter, Francois Wagner, Rene G. Demers, Richard J. Klok, Alexandra Marazano, Adam D. Lior, James A. Salvatore, Sujatha K. Iyengar, David F Louapre, Sidath S. Wijesooriya, Ronald Christopher Motta, Gary A. Guertin, Michael D. Kavanaugh, Doruk O. Yener, Jennifer H. Czerepinski, Jun Jia, Frederic Josseaux, Ralph Bauer, Frank J. Csillag, Yang Zhong, James P. Stewart, Mark P. Dombrowski, Sandhya Jayaraman Rukmani, Amandine Martin, Stephen E. Fox, Nilanjan Sarangi, Dean S. Matsumoto
  • Bonded abrasive articles
    Patent number: 11691247
    Abstract: An abrasive article includes a body having a bond material extending throughout the body and abrasive particles contained in the bond material. The bond material can include aluminum oxide (Al2O3) and lithium oxide (Li2O). In an embodiment, the bond material can include a ratio (Al2O3/Li2O) of a content of aluminum oxide (Al2O3) relative to a content of lithium oxide (Li2O), based on weight percent, of greater than 11.5 and at most 20. In another embodiment, the abrasive article can have a versatility factor of greater than 1.90.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: July 4, 2023
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Nilanjan Sarangi, Guangyong Lin, Sandhya Jayaraman Rukmani, Stephen E. Fox, Daming Zhang
  • ABRASIVE ARTICLE INCLUDING SHAPED ABRASIVE PARTICLES
    Publication number: 20230096577
    Abstract: Various shaped abrasive particles are disclosed. Each shaped abrasive particle includes a body having at least one major surface and a side surface extending from the major surface.
    Type: Application
    Filed: December 2, 2022
    Publication date: March 30, 2023
    Inventors: Todd M. COTTER, Francois WAGNER, Rene G. DEMERS, Richard J. KLOK, Alexandra MARAZANO, Adam D. LIOR, James A. SALVATORE, Sujatha K. IYENGAR, David F. LOUAPRE, Sidath S. WIJESOORIYA, Ronald Christopher MOTTA, Gary A. GUERTIN, Michael D. KAVANAUGH, Doruk O. YENER, Jennifer H. CZEREPINSKI, Jun JIA, Frederic JOSSEAUX, Ralph BAUER, Frank J. CSILLAG, Yang ZHONG, James P. STEWART, Mark P. DOMBROWSKI, Sandhya JAYARAMAN RUKMANI, Amandine MARTIN, Stephen E. FOX, Nilanjan SARANGI, Dean S. MATSUMOTO
  • Abrasive article including shaped abrasive particles having a tooth portion on a surface
    Patent number: 11549040
    Abstract: Various shaped abrasive particles are disclosed. Each shaped abrasive particle includes a body having at least one major surface and a side surface extending from the major surface. The side surface can includes a toothed portion. The toothed portion can comprise a plurality of teeth. Each one of the teeth can have the same height.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: January 10, 2023
    Assignee: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Todd M. Cotter, Francois Wagner, Rene G. Demers, Richard J. Klok, Alexandra Marazano, Adam D. Lior, James A. Salvatore, Sujatha K. Iyengar, David F. Louapre, Sidath S. Wijesooriya, Ronald Christopher Motta, Gary A. Guertin, Michael D. Kavanaugh, Doruk O. Yener, Jennifer H. Czerepinski, Jun Jia, Frederic Josseaux, Ralph Bauer, Frank J. Csillag, Yang Zhong, James P. Stewart, Mark P. Dombrowski, Sandhya Jayaraman Rukmani, Amandine Martin, Stephen E. Fox, Nilanjan Sarangi, Dean S. Matsumoto
  • Method of making shaped abrasive particles and articles comprising forming a flange from overfilling
    Patent number: 11427740
    Abstract: Various shaped abrasive particles are disclosed. Each shaped abrasive particle includes a body having at least one major surface and a side surface extending from the major surface.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: August 30, 2022
    Assignee: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Todd M. Cotter, Francois Wagner, Rene G. Demers, Richard J. Klok, Alexandra Marazano, Adam D. Lior, James A. Salvatore, Sujatha K. Iyengar, David F. Louapre, Sidath S. Wijesooriya, Ronald Christopher Motta, Gary A. Guertin, Michael D. Kavanaugh, Doruk O. Yener, Jennifer H. Czerepinski, Jun Jia, Frederic Josseaux, Ralph Bauer, Frank J. Csillag, Yang Zhong, James P. Stewart, Mark P. Dombrowski, Sandhya Jayaraman Rukmani, Amandine Martin, Stephen E. Fox, Nilanjan Sarangi, Dean S. Matsumoto
  • ABRASIVE ARTICLE INCLUDING SHAPED ABRASIVE PARTICLES
    Publication number: 20210087445
    Abstract: Various shaped abrasive particles are disclosed. Each shaped abrasive particle includes a body having at least one major surface and a side surface extending from the major surface.
    Type: Application
    Filed: December 4, 2020
    Publication date: March 25, 2021
    Inventors: Todd M. Cotter, Francois Wagner, Rene G. Demers, Richard J. Klok, Alexandra Marazano, Adam D. Lior, James A. Salvatore, Sujatha K. Iyengar, David F. Louapre, Sidath S. Wijesooriya, Ronald Christopher Motta, Gary A. Guertin, Michael D. Kavanaugh, Doruk O. Yener, Jennifer H. Czerepinski, Jun Jia, Frederic Josseaux, Ralph Bauer, Frank J. Csillag, Yang Zhong, James P. Stewart, Mark P. Dombrowski, Sandhya Jayaraman Rukmani, Amandine Martin, Stephen E. Fox, Nilanjan Sarangi, Dean S. Matsumoto
  • ABRASIVE ARTICLE INCLUDING SHAPED ABRASIVE PARTICLES
    Publication number: 20200157396
    Abstract: Various shaped abrasive particles are disclosed. Each shaped abrasive particle includes a body having at least one major surface and a side surface extending from the major surface.
    Type: Application
    Filed: January 22, 2020
    Publication date: May 21, 2020
    Inventors: Todd M. COTTER, Francois WAGNER, Rene G. DEMERS, Richard J. KLOK, Alexandra MARAZANO, Adam D. LIOR, James A. SALVATORE, Sujatha K. IYENGAR, David F. LOUAPRE, Sidath S. WIJESOORIYA, Ronald Christopher MOTTA, Gary A. GUERTIN, Michael D. KAVANAUGH, Doruk O. YENER, Jennifer H. CZEREPINSKI, Jun JIA, Frederic JOSSEAUX, Ralph BAUER, Frank J. CSILLAG, Yang ZHONG, James P. Stewart, Mark P. DOMBROWSKI, Sandhya JAYARAMAN RUKMANI, Amandine MARTIN, Stephen E. FOX, Nilanjan SARANGI, Dean S. MATSUMOTO
  • Abrasive article including unagglomerated abrasive particle including silicon carbide and an inorganic bond material
    Patent number: 10597567
    Abstract: An abrasive article including a body having a bond material extending throughout the body and including at least 8 wt % aluminum oxide (Al2O3) for a total weight of the bond material, and also including unagglomerated abrasive particles including silicon carbide (SiC) contained within the bond material and present in an amount of greater than 30 vol % for a total volume of the body.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: March 24, 2020
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Nilanjan Sarangi, Sandhya Jayaraman Rukmani, Stephen E. Fox
  • Abrasive article including shaped abrasive particles
    Patent number: 10563105
    Abstract: Various shaped abrasive particles are disclosed. Each shaped abrasive particle includes a body having at least one major surface and a side surface extending from the major surface.
    Type: Grant
    Filed: January 31, 2017
    Date of Patent: February 18, 2020
    Assignee: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Todd M. Cotter, Sidath S. Wijesooriya, Ronald Christopher Motta, Gary A. Guertin, Michael D. Kavanaugh, Doruk O. Yener, Jennifer H. Czerepinski, Jun Jia, Frederic Josseaux, Ralph Bauer, Frank J. Csillag, Francois Wagner, Yang Zhong, James P. Stewart, Mark P. Dombrowski, Sandhya Jayaraman Rukmani, Amandine Martin, Stephen E. Fox, Nilanjan Sarangi, Dean S. Matsumoto, Rene G. Demers, Richard J. Klok, Alexandra Marazano, Adam D. Lior, James A. Salvatore, Sujatha Iyengar, David F. Louapre
  • Abrasive article including agglomerates having silicon carbide and an inorganic bond material
    Patent number: 10500697
    Abstract: An abrasive article including a body including a bond material having an inorganic material including a ceramic, abrasive agglomerates including silicon carbide contained within the bond material, and a permeability of at least 60.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: December 10, 2019
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Nilanjan Sarangi, Sandhya Jayaraman Rukmani, Stephen E. Fox, Russell L. Krause
  • BONDED ABRASIVE ARTICLES
    Publication number: 20190210191
    Abstract: An abrasive article includes a body having a bond material extending throughout the body and abrasive particles contained in the bond material. The bond material can include aluminum oxide (Al2O3) and lithium oxide (Li2O). In an embodiment, the bond material can include a ratio (Al2O3/Li2O) of a content of aluminum oxide (Al2O3) relative to a content of lithium oxide (Li2O), based on weight percent, of greater than 11.5 and at most 20. In another embodiment, the abrasive article can have a versatility factor of greater than 1.90.
    Type: Application
    Filed: December 28, 2018
    Publication date: July 11, 2019
    Inventors: Nilanjan SARANGI, Guangyong LIN, Sandhya JAYARAMAN RUKMANI, Stephen E. FOX, Daming ZHANG
  • ABRASIVE ARTICLE INCLUDING UNAGGLOMERATED ABRASIVE PARTICLE INCLUDING SILICON CARBIDE AND AN INORGANIC BOND MATERIAL CROSS-REFERENCE TO RELATED APPLICATION
    Publication number: 20190100683
    Abstract: An abrasive article including a body having a bond material extending throughout the body and including at least 8 wt % aluminum oxide (Al2O3) for a total weight of the bond material, and also including unagglomerated abrasive particles including silicon carbide (SiC) contained within the bond material and present in an amount of greater than 30 vol % for a total volume of the body.
    Type: Application
    Filed: September 27, 2018
    Publication date: April 4, 2019
    Inventors: Nilanjan SARANGI, Sandhya JAYARAMAN RUKMANI, Stephen E. FOX
  • ABRASIVE ARTICLE INCLUDING SHAPED ABRASIVE PARTICLES
    Publication number: 20180215976
    Abstract: Various shaped abrasive particles are disclosed. Each shaped abrasive particle includes a body having at least one major surface and a side surface extending from the major surface.
    Type: Application
    Filed: January 31, 2017
    Publication date: August 2, 2018
    Inventors: Todd M. COTTER, Francois WAGNER, Rene G. DEMERS, Richard J. KLOK, Alexandra MARAZANO, Adam D. LIOR, James A. SALVATORE, Sujatha IYENGAR, David F. LOUAPRE, Sidath S. WIJESOORIYA, Ronald Christopher MOTTA, Gary A. GUERTIN, Michael D. KAVANAUGH, Doruk O. YENER, Jennifer H. CZEREPINSKI, Jun JIA, Frederic JOSSEAUX, Ralph BAUER, Frank J. CSILLAG, Yang ZHONG, James P. STEWART, Mark P. DOMBROWSKI, Sandhya JAYARAMAN RUKMANI, Amandine MARTIN, Stephen E. FOX, Nilanjan SARANGI, Dean S. MATSUMOTO
  • Abrasive articles and methods for forming same
    Patent number: 9982175
    Abstract: An abrasive article can include a body including a bond material and abrasive particles contained within the bond material. The abrasive particles can include nanocrystalline alumina. The bond material can include an inorganic material including a ceramic.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: May 29, 2018
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Nilanjan Sarangi, Yang Zhong, Sandhya Jayaraman Rukmani, Ralph Bauer, Stefan Vujcic
  • ABRASIVE ARTICLE INCLUDING AGGLOMERATES HAVING SILICON CARBIDE AND AN INORGANIC BOND MATERIAL
    Publication number: 20180133866
    Abstract: An abrasive article including a body including a bond material having an inorganic material including a ceramic, abrasive agglomerates including silicon carbide contained within the bond material, and a permeability of at least 60.
    Type: Application
    Filed: January 9, 2018
    Publication date: May 17, 2018
    Inventors: Nilanjan Sarangi, Sandhya Jayaraman Rukmani, Stephen E. Fox, Russell L. Krause
  • Abrasive article including agglomerates having silicon carbide and an inorganic bond material
    Patent number: 9914198
    Abstract: An abrasive article including a body including a bond material having an inorganic material including a ceramic, abrasive agglomerates including silicon carbide contained within the bond material, and a permeability of at least 60.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: March 13, 2018
    Assignee: SAINT-GOBAIN ABRASIVES, INC.
    Inventors: Nilanjan Sarangi, Sandhya Jayaraman Rukmani, Stephen E. Fox, Russell L. Krause
  • Abrasive article including agglomerates having silicon carbide and an inorganic bond material
    Patent number: 9908217
    Abstract: An abrasive article including a body including a bond material having an inorganic material including a ceramic, abrasive agglomerates including silicon carbide contained within the bond material, and a permeability of at least 60.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: March 6, 2018
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Nilanjan Sarangi, Sandhya Jayaraman Rukmani, Stephen E. Fox, Russell L. Krause
  • ABRASIVE ARTICLES AND METHODS FOR FORMING SAME
    Publication number: 20160186027
    Abstract: An abrasive article can include a body including a bond material and abrasive particles contained within the bond material. The abrasive particles can include nanocrystalline alumina. The bond material can include an inorganic material including a ceramic.
    Type: Application
    Filed: December 30, 2015
    Publication date: June 30, 2016
    Inventors: Nilanjan Sarangi, Yang Zhong, Sandhya Jayaraman Rukmani, Ralph Bauer, Stefan Vujcic
  • ABRASIVE ARTICLE INCLUDING AGGLOMERATES HAVING SILICON CARBIDE AND AN INORGANIC BOND MATERIAL
    Publication number: 20160151886
    Abstract: An abrasive article including a body including a bond material having an inorganic material including a ceramic, abrasive agglomerates including silicon carbide contained within the bond material, and a permeability of at least 60.
    Type: Application
    Filed: December 1, 2015
    Publication date: June 2, 2016
    Inventors: Nilanjan SARANGI, Sandhya JAYARAMAN RUKMANI, Stephen E. FOX, Russell L. KRAUSE
  • ABRASIVE ARTICLE INCLUDING AGGLOMERATES HAVING SILICON CARBIDE AND AN INORGANIC BOND MATERIAL
    Publication number: 20160151885
    Abstract: An abrasive article including a body including a bond material having an inorganic material including a ceramic, abrasive agglomerates including silicon carbide contained within the bond material, and a permeability of at least 60.
    Type: Application
    Filed: December 1, 2015
    Publication date: June 2, 2016
    Inventors: Nilanjan Sarangi, Sandhya Jayaraman Rukmani, Stephen E. Fox, Russell L. Krause