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).

  • ABRASIVE ARTICLES AND METHODS FOR FORMING SAME
    Publication number: 20240309254
    Abstract: An abrasive article can include a body including a first portion coupled to a second portion in a radial plane. The body can include a central opening extending in an axial direction of the body through the first portion and through the second portion. The central opening can include a circumferential surface defining an inner diameter of the body. The circumferential surface can be defined by at least a portion of the first portion and at least a portion of the second portion. The first portion can include first abrasive particles contained within a first bond material, including an inorganic material, and the second portion can include second abrasive particles contained within a second bond material, including an organic material. The organic material can include epoxy. In an embodiment, the second portion comprises an elongation-at-fracture of less than 2.7%, a Stiffness Value of at least 8.3, or a combination thereof.
    Type: Application
    Filed: May 22, 2024
    Publication date: September 19, 2024
    Inventors: Alexander NASHED, Amandine MARTIN, Peter JANECZEK, Simone SCHAEFER, Nilanjan SARANGI, Guangyong LIN, Arthur TURKIN
  • Fixed abrasive articles and methods of forming same
    Patent number: 12084611
    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 21, 2023
    Date of Patent: September 10, 2024
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Adam P. Bujnowski, Kelley McNeal, Nan Y. Pacella, Srikanth Rapaka, Joseph R. Rich, Katherine M. Sahlin, Nilanjan Sarangi, Andrew B. Schoch
  • Abrasive articles and methods for forming same
    Patent number: 12064852
    Abstract: An abrasive article including a bonded abrasive having a body of a diameter of at least 260 mm and a volume of at least 20 cubic centimeters, the body also having a bond material including an inorganic material, abrasive particles having an abrasive particle size of at least 40 microns contained in the bond material, and a certain Homogeneity Factor.
    Type: Grant
    Filed: March 14, 2023
    Date of Patent: August 20, 2024
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Srikanth Rapaka, Nilanjan Sarangi, Roger P. Zaleski
  • Abrasive articles and methods for forming same
    Patent number: 12064851
    Abstract: An abrasive article including a bonded abrasive body having a certain Homogeneity Factor and a multimodal distribution of abrasive particle sizes where the particles size of a first mode is no greater than 80% of a particle size of a second mode. The bonded body can also have a consistent hardness throughout the body.
    Type: Grant
    Filed: June 29, 2022
    Date of Patent: August 20, 2024
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Maureen A. Brosnan, Srikanth Rapaka, Nilanjan Sarangi, Charles W. Bleakney, IV, Craig M. Adams, Run Toun
  • Abrasive articles and methods for forming same
    Patent number: 12031083
    Abstract: An abrasive article can include a body including a first portion coupled to a second portion in a radial plane. The body can include a central opening extending in an axial direction of the body through the first portion and through the second portion. The central opening can include a circumferential surface defining an inner diameter of the body. The circumferential surface can be defined by at least a portion of the first portion and at least a portion of the second portion. The first portion can include first abrasive particles contained within a first bond material, including an inorganic material, and the second portion can include second abrasive particles contained within a second bond material, including an organic material. The organic material can include epoxy. In an embodiment, the second portion comprises an elongation-at-fracture of less than 2.7%, a Stiffness Value of at least 8.3, or a combination thereof.
    Type: Grant
    Filed: June 30, 2022
    Date of Patent: July 9, 2024
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Alexander Nashed, Amandine Martin, Peter Janeczek, Simone Schaefer, Nilanjan Sarangi, Guangyong Lin, Arthur Turkin
  • ABRASIVE ARTICLE INCLUDING SHAPED ABRASIVE PARTICLES
    Publication number: 20240218225
    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: March 13, 2024
    Publication date: July 4, 2024
    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 articles and methods for forming same
    Patent number: 11999029
    Abstract: An abrasive article including a bonded abrasive body having a bond material including an inorganic material, abrasive particles contained within the bond material of the bonded abrasive body, porosity within a range of at least 55 vol % to not greater than 90 vol % for a total volume of the bonded abrasive body, and a Solid Phase Variation of not greater than 45%.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: June 4, 2024
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Srikanth Rapaka, Stephen E. Fox, Nilanjan Sarangi
  • BONDED ABRASIVE FOR GEAR POWER HONING
    Publication number: 20240149397
    Abstract: The subject application relates to a bonded abrasive for gear power honing. An abrasive article including a bonded abrasive body having abrasive particles and a bond material. The abrasive body can include an inner annular surface with at least 1 tooth. The abrasive article can provide an average Ff? of less than 2.0 according to a Gear Power Honing Test.
    Type: Application
    Filed: November 3, 2023
    Publication date: May 9, 2024
    Inventors: Qing Wang, Guangyong Lin, Nilanjan Sarangi, Zhenyu Luo, Lu Lu
  • BONDED ABRASIVE WITH LOW WETTING BOND MATERIAL
    Publication number: 20240149398
    Abstract: The subject application relates to bonded abrasive with low wetting bond material. An abrasive article including a bonded abrasive body having a particular MOR/EMOD ratio associated with a particular bond vol %. The body also can include a) an average Bond Post Area (BPA) of not greater than microns2; b) an average Bond Post Count (BPC) of at least 140 per 1536 mm2; c) an average bond wetting radius of at least 30/microns; or d) a combination of a) and b).
    Type: Application
    Filed: November 3, 2023
    Publication date: May 9, 2024
    Inventors: Qing WANG, Guangyong LIN, Nilanjan SARANGI, Zhenyu LUO, Lu LU
  • 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
  • ABRASIVE ARTICLES AND METHODS FOR FORMING SAME
    Publication number: 20230271302
    Abstract: An abrasive article including a bonded abrasive having a body of a diameter of at least 260 mm and a volume of at least 20 cubic centimeters, the body also having a bond material including an inorganic material, abrasive particles having an abrasive particle size of at least 40 microns contained in the bond material, and a certain Homogeneity Factor.
    Type: Application
    Filed: March 14, 2023
    Publication date: August 31, 2023
    Inventors: Srikanth RAPAKA, Nilanjan SARANGI, Roger P. ZALESKI
  • FIXED ABRASIVE ARTICLES AND METHODS OF FORMING SAME
    Publication number: 20230220256
    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 21, 2023
    Publication date: July 13, 2023
    Inventors: Adam P. BUJNOWSKI, Kelley McNEAL, Nan Y. PACELLA, Srikanth RAPAKA, Joseph R. RICH, Katherine M. SAHLIN, Nilanjan SARANGI, Andrew B. SCHOCH
  • 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
  • Fixed abrasive articles and methods of forming same
    Patent number: 11643582
    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: June 21, 2019
    Date of Patent: May 9, 2023
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Adam P. Bujnowski, Kelley McNeal, Nan Y. Pacella, Srikanth Rapaka, Joseph R. Rich, Katherine M. Sahlin, Nilanjan Sarangi, Andrew B. Schoch
  • FIXED ABRASIVE ARTICLES AND METHODS OF FORMING SAME
    Publication number: 20230097607
    Abstract: An abrasive article with a bonded abrasive body having a ratio of diameter to thickness of at least 10:1. The abrasive article can include secondary abrasive particles contained in a bond material, wherein the secondary abrasive particles include agglomerated primary abrasive particles.
    Type: Application
    Filed: September 30, 2022
    Publication date: March 30, 2023
    Inventors: Mateusz MILAK, Mariken VAN DER GIESSEN-BLEEKER, Nilanjan SARANGI, Marcin P. BLICHARSKI, Michal ZALEWSKI
  • 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
  • FIXED ABRASIVE ARTICLES AND METHODS OF FORMING SAME
    Publication number: 20230065541
    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: August 25, 2022
    Publication date: March 2, 2023
    Inventors: Celine COLET, Kuo Gao, Srikanth Rapaka, Joseph R. Rich, Katherine M. Sahlin, Nilanjan Sarangi, Andrew B. Schoch
  • ABRASIVE ARTICLES AND METHODS FOR FORMING SAME
    Publication number: 20230018635
    Abstract: An abrasive article can include a body including agglomerated first abrasive particles and unagglomerated second abrasive particles contained in a bond material. The first abrasive particles can include chromium oxide. The second abrasive particles can be elongated. The bond material can include an inorganic material including a vitreous phase.
    Type: Application
    Filed: June 30, 2022
    Publication date: January 19, 2023
    Inventors: Daming Zhang, Yumeng Chen, Nilanjan Sarangi, Amandine Martin, Marcin P. Blicharski, Renaud Fix, Lu Lu, Zhongya Zhang
  • 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
  • ABRASIVE ARTICLES AND METHODS FOR FORMING SAME
    Publication number: 20230002656
    Abstract: An abrasive article can include a body including a first portion coupled to a second portion in a radial plane. The body can include a central opening extending in an axial direction of the body through the first portion and through the second portion. The central opening can include a circumferential surface defining an inner diameter of the body. The circumferential surface can be defined by at least a portion of the first portion and at least a portion of the second portion. The first portion can include first abrasive particles contained within a first bond material, including an inorganic material, and the second portion can include second abrasive particles contained within a second bond material, including an organic material. The organic material can include epoxy. In an embodiment, the second portion comprises an elongation-at-fracture of less than 2.7%, a Stiffness Value of at least 8.3, or a combination thereof.
    Type: Application
    Filed: June 30, 2022
    Publication date: January 5, 2023
    Inventors: Alexander NASHED, Amandine Martin, Peter Janeczek, Simone Schaefer, Nilanjan Sarangi, Guangyong Lin, Arthur Turkin