Patents by Inventor Srikanth RAPAKA

Srikanth RAPAKA 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
    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: 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
  • 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
  • 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: 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: 20230001542
    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: Application
    Filed: June 29, 2022
    Publication date: January 5, 2023
    Inventors: Maureen A. BROSNAN, Srikanth Rapaka, Nilanjan Sarangi, Charles W. Bleakney, IV, Craig M. Adams, Run Toun
  • Fixed abrasive articles and methods of forming same
    Patent number: 11472989
    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: December 19, 2018
    Date of Patent: October 18, 2022
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Celine Colet, Kuo Gao, Srikanth Rapaka, Joseph R. Rich, Katherine M. Sahlin, Nilanjan Sarangi, Andrew B. Schoch
  • FIXED ABRASIVE ARTICLE
    Publication number: 20210171814
    Abstract: In one embodiment, an abrasive body can comprise a first surface having a first developed interfacial area ratio (Sdr1) and a second surface having a second developed interfacial area ratio (Sdr2), and wherein the Sdr1 is at least 35% different than the Sdr2.
    Type: Application
    Filed: December 10, 2020
    Publication date: June 10, 2021
    Inventors: Nilanjan Sarangi, Khoudor Keniar, Jean-Marie Lebrun, Srikanth Rapaka, Kallie Gray Mingay
  • ABRASIVE ARTICLES AND METHODS FOR FORMING SAME
    Publication number: 20200001429
    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: June 28, 2019
    Publication date: January 2, 2020
    Inventors: Srikanth RAPAKA, Nilanjan SARANGI, Roger P. ZALESKI
  • ABRASIVE ARTICLES AND METHODS FOR FORMING SAME
    Publication number: 20200001430
    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: Application
    Filed: June 28, 2019
    Publication date: January 2, 2020
    Inventors: Srikanth RAPAKA, Stephen E. FOX, Nilanjan SARANGI
  • FIXED ABRASIVE ARTICLES AND METHODS OF FORMING SAME
    Publication number: 20190330505
    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: June 21, 2019
    Publication date: October 31, 2019
    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
    Patent number: 10358589
    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: February 26, 2018
    Date of Patent: July 23, 2019
    Assignees: 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
  • FIXED ABRASIVE ARTICLES AND METHODS OF FORMING SAME
    Publication number: 20190119540
    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: December 19, 2018
    Publication date: April 25, 2019
    Inventors: Celine COLET, Kuo GAO, Srikanth RAPAKA, Joseph R. RICH, Katherine M. SAHLIN, Nilanjan SARANGI, Andrew B. SCHOCH
  • Fixed abrasive articles and methods of forming same
    Patent number: 10196551
    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: February 5, 2019
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    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: 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
  • 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
  • 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