Patents by Inventor Nilanjan Sarangi

Nilanjan Sarangi 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).

  • FIXED ABRASIVE ARTICLES AND METHODS OF FORMING SAME
    Publication number: 20180187057
    Abstract: A fixed abrasive article having a body including abrasive particles contained within a bond material, the abrasive particles including shaped abrasive particles or elongated abrasive particles having an aspect ratio of length:width of at least 1.1:1, each of the shaped abrasive particles or elongated abrasive particles having a predetermined position or a predetermined three-axis orientation.
    Type: Application
    Filed: February 26, 2018
    Publication date: July 5, 2018
    Inventors: Adam P. BUJNOWSKI, Kelley McNEAL, Nan Y. PACELLA, Srikanth RAPAKA, Joseph RICH, Katherine M. SAHLIN, Nilanjan SARANGI, Andrew B. SCHOCH
  • 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
  • Fixed abrasive articles and methods of forming same
    Patent number: 9938440
    Abstract: A fixed abrasive article having a body including abrasive particles contained within a bond material, the abrasive particles including shaped abrasive particles or elongated abrasive particles having an aspect ratio of length:width of at least 1.1:1, each of the shaped abrasive particles or elongated abrasive particles having a predetermined position or a predetermined three-axis orientation.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: April 10, 2018
    Assignee: SAINT-GOBAIN ABRASIVES, INC./SAINT-GOBAIN ABRASIFS
    Inventors: Adam P. Bujnowski, Kelley McNeal, Nan Y. Pacella, Srikanth Rapaka, Joseph Rich, Katherine M. Sahlin, Nilanjan Sarangi, Andrew B. Schoch
  • 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
    Patent number: 9790411
    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 organic material. In an embodiment, the nanocrystalline alumina may have an average crystallite size of not greater than 1.5 microns. In another embodiment, the bond material and the abrasive particles may be mixed and the mixture may cure to form the abrasive article of embodiments herein.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: October 17, 2017
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Yang Zhong, Nilanjan Sarangi, Shu Yang, Ralph Bauer, Stefan Vujcic
  • Abrasive article for high-speed grinding operations
    Patent number: 9539701
    Abstract: An abrasive article includes a bonded abrasive body having abrasive particles comprising microcrystalline alumina (MCA) contained within a bond material. In an embodiment, the bonded abrasive body has a strength ratio (MOR/MOE) of at least about 0.80. Additionally, the bonded abrasive body may have a MOR of at least 40 MPa for a MOE or at least about 40 GPa and the bonded abrasive body may be capable of grinding a workpiece that includes metal at a speed of at least about 60 m/s at a material removal rate of at least about 0.4 in3/min/in (258 mm3/min/mm).
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: January 10, 2017
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Nilanjan Sarangi, Renaud Fix, Stephen Woods, Jim M. Gaffney, John Campaniello, John R. Besse, Stephen E. Fox
  • FIXED ABRASIVE ARTICLES AND METHODS OF FORMING SAME
    Publication number: 20160289521
    Abstract: A fixed abrasive article having a body including abrasive particles contained within a bond material, the abrasive particles including shaped abrasive particles or elongated abrasive particles having an aspect ratio of length:width of at least 1.1:1, each of the shaped abrasive particles or elongated abrasive particles having a predetermined position or a predetermined three-axis orientation.
    Type: Application
    Filed: March 31, 2016
    Publication date: October 6, 2016
    Inventors: Celine COLET, Kuo GAO, Srikanth RAPAKA, Joseph RICH, Katherine M. SAHLIN, Nilanjan SARANGI, Andrew B. SCHOCH
  • FIXED ABRASIVE ARTICLES AND METHODS OF FORMING SAME
    Publication number: 20160289520
    Abstract: A fixed abrasive article having a body including abrasive particles contained within a bond material, the abrasive particles including shaped abrasive particles or elongated abrasive particles having an aspect ratio of length:width of at least 1.1:1, each of the shaped abrasive particles or elongated abrasive particles having a predetermined position or a predetermined three-axis orientation.
    Type: Application
    Filed: March 31, 2016
    Publication date: October 6, 2016
    Inventors: Adam P. BUJNOWSKI, Kelley MCNEAL, Nan Y. PACELLA, Srikanth RAPAKA, Joseph RICH, Katherine M. SAHLIN, Nilanjan SARANGI, Andrew B. SCHOCH
  • ABRASIVE ARTICLES AND METHODS FOR FORMING SAME
    Publication number: 20160186026
    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 organic material. In an embodiment, the nanocrystalline alumina may have an average crystallite size of not greater than 1.5 microns. In another embodiment, the bond material and the abrasive particles may be mixed and the mixture may cure to form the abrasive article of embodiments herein.
    Type: Application
    Filed: December 30, 2015
    Publication date: June 30, 2016
    Inventors: Yang ZHONG, Nilanjan SARANGI, Shu YANG, Ralph BAUER, Stefan VUJCIC
  • 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: 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
  • 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 for high-speed grinding operations
    Patent number: 9144885
    Abstract: An abrasive article can include a bonded abrasive body having abrasive particles comprising microcrystalline alumina (MCA) contained within a bond material. In an embodiment, the bonded abrasive body has a porosity of at least about 42 vol % of the total volume of the bonded abrasive body. Additionally, in an embodiment, the bonded abrasive body is capable of grinding a workpiece comprising metal at a speed of at least about 60 m/s at a material removal rate of at least about 0.4 in3/min/in (258 mm3/min/mm).
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: September 29, 2015
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Nilanjan Sarangi, Renaud Fix, Stephen Woods, Jim M. Gaffney, John Campaniello, John R. Besse, Stephen E. Fox
  • Bonded abrasive article and method of forming
    Patent number: 8999026
    Abstract: An abrasive article having an abrasive body including abrasive grains contained within a bond material, wherein the abrasive grains comprise microcrystalline alumina, and wherein the bond material includes less than about 1.0 mol % phosphorous oxide (P2O5), and a ratio measured in mol % between a total content of sodium oxide (Na2O) and a total content of potassium oxide (K2O) defined by [K2O/Na2O] having a value greater than about 0.5.
    Type: Grant
    Filed: November 14, 2013
    Date of Patent: April 7, 2015
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Gilles Querel, Sandhya Jayaraman Rukmani, Muthu Jeevanantham, Rosemarie Bot-Schulz, Kelley McNeal, Nilanjan Sarangi
  • Bonded abrasive article and method of forming
    Patent number: 8986410
    Abstract: A method of forming an abrasive article includes providing a green body having abrasive particles including microcrystalline alumina, and heating the green body via microwave radiation to form a bonded abrasive body including the abrasive particles and a bond material comprising a vitreous phase.
    Type: Grant
    Filed: December 31, 2012
    Date of Patent: March 24, 2015
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Nilanjan Sarangi, Sandhya Jayaraman Rukmani
  • Abrasive article for ultra high material removal rate grinding operations
    Patent number: 8945253
    Abstract: An abrasive article including a bonded abrasive body having a bond material present in an amount of not greater than about 15 vol % for the total volume of the body, abrasive particulate material contained in the bond material, the abrasive particulate material including abrasive agglomerates and unagglomerated abrasive particles, wherein the body comprises an abrasive particulate ratio (APp:APagg) within a range between 3:1 and about 1:3, wherein APp represents the amount (vol %) of unagglomerated abrasive particles present in the body and APagg represents the amount (vol %) of abrasive agglomerates present in the body, and a porosity of at least about 42 vol % of the total volume of the bonded abrasive body.
    Type: Grant
    Filed: November 21, 2012
    Date of Patent: February 3, 2015
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Nilanjan Sarangi, John Campaniello, James M. Gaffney, Stephen E. Fox, John R. Besse, Stephen Woods, Renaud Fix
  • Bonded abrasive body and method of forming same
    Patent number: 8870986
    Abstract: An abrasive article including a bonded abrasive body having abrasive particles contained within a bond material, the bond material including a vitreous material formed from a mixture having aluminum oxide (Al2O3), bismuth oxide (Bi2O3), and boron oxide (B2O3), and wherein the mixture includes an amount (wt %) of aluminum oxide less than an amount (wt %) of bismuth oxide and the amount (wt %) of aluminum oxide is less than an amount (wt %) of boron oxide.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: October 28, 2014
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Sophie Papin, Cécile Jousseaume, Nilanjan Sarangi, Sandhya Jayaraman Rukmani
  • Bonded Abrasive Article and Method of Forming
    Publication number: 20140069021
    Abstract: An abrasive article having an abrasive body including abrasive grains contained within a bond material, wherein the abrasive grains comprise microcrystalline alumina, and wherein the bond material includes less than about 1.0 mol % phosphorous oxide (P2O5), and a ratio measured in mol % between a total content of sodium oxide (Na2O) and a total content of potassium oxide (K2O) defined by [K2O/Na2O] having a value greater than about 0.5.
    Type: Application
    Filed: November 14, 2013
    Publication date: March 13, 2014
    Applicants: Saint-Gobain Abrasifs, Saint-Gobain Abrasives, Inc.
    Inventors: Gilles Querel, Sandhya Jayaraman Rukmani, Muthu Jeevanantham, Rosemarie Bot-Schulz, Kelley McNeal, Nilanjan Sarangi