Patents by Inventor Stefan VUJCIC

Stefan VUJCIC 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 of forming same
    Patent number: 11926019
    Abstract: A coated abrasive article includes a substrate and a plurality of abrasive particles overlying the substrate, and the plurality of abrasive particles including tapered abrasive particles having a taper fraction standard deviation of at least 0.025 and not greater than 0.090.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: March 12, 2024
    Assignee: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Samuel S. Marlin, Ralph Bauer, Stefan Vujcic, Paul W. Rehrig, Marie-Camille Auscher, Darrell K. Everts, Hua Fan, Sujatha K. Iyengar, Christopher Arcona, Anthony Martone, Brahmanandam V. Tanikella
  • Particulate materials and methods of forming same
    Patent number: 11674066
    Abstract: A particulate material having a body including a dopant contained in the body, the dopant is non-homogenously distributed throughout the body and the body has a maximum normalized dopant content difference of at least 35%.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: June 13, 2023
    Assignee: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Stefan Vujcic, Ralph Bauer
  • ABRASIVE ARTICLES AND METHODS OF FORMING SAME
    Publication number: 20210198545
    Abstract: A coated abrasive article includes a substrate and a plurality of abrasive particles overlying the substrate, wherein at least 5% of the plurality of abrasive particles is tooth-shaped abrasive particles.
    Type: Application
    Filed: December 23, 2020
    Publication date: July 1, 2021
    Inventors: Samuel S. MARLIN, Ralph BAUER, Stefan VUJCIC, Paul W. REHRIG, Marie-Camille AUSCHER, Darrell K. EVERTS, Hua FAN, Sujatha K. IYENGAR, Christopher ARCONA, Anthony MARTONE, Brahmanandam V. TANIKELLA
  • ABRASIVE ARTICLES AND METHODS OF FORMING SAME
    Publication number: 20210197339
    Abstract: A coated abrasive article includes a substrate and a plurality of abrasive particles overlying the substrate, and the plurality of abrasive particles including tapered abrasive particles having a taper fraction standard deviation of at least 0.025 and not greater than 0.090.
    Type: Application
    Filed: December 23, 2020
    Publication date: July 1, 2021
    Inventors: Samuel S. MARLIN, Ralph BAUER, Stefan VUJCIC, Paul W. REHRIG, Marie-Camille AUSCHER, Darrell K. EVERTS, Hua FAN, Sujatha K. IYENGAR, Christopher ARCONA, Anthony MARTONE, Brahmanandam V. TANIKELLA
  • ABRASIVE ARTICLES AND METHODS OF FORMING SAME
    Publication number: 20210198544
    Abstract: A coated abrasive article comprising a substrate and a plurality of abrasive particles having an average solidity of at least 0.87 and less than 0.97, wherein each of the abrasive particles of the plurality of abrasive particles comprises a body and striations extending along an exterior surface of the body in a direction of a length of the body. Further directed to a plurality of extruded shaped abrasive particles comprising an average solidity of at least 0.87.
    Type: Application
    Filed: December 23, 2020
    Publication date: July 1, 2021
    Inventors: Samuel S. MARLIN, Ralph BAUER, Stefan VUJCIC, Paul W. REHRIG, Marie-Camille AUSCHER, Mark HAMPDEN-SMITH, Brahmanandam V. TANIKELLA
  • PARTICULATE MATERIALS AND METHODS OF FORMING SAME
    Publication number: 20200048517
    Abstract: A particulate material having a body including a dopant contained in the body, the dopant is non-homogenously distributed throughout the body and the body has a maximum normalized dopant content difference of at least 35%.
    Type: Application
    Filed: August 8, 2019
    Publication date: February 13, 2020
    Inventors: Stefan VUJCIC, Ralph Bauer
  • ABRASIVE PARTICLES AND METHOD OF FORMING SAME
    Publication number: 20190016936
    Abstract: In an embodiment, an abrasive particle comprises a body including alumina, the alumina including a plurality of crystallites having an average crystallite size of not greater than 0.18 microns. In other embodiments, the body further comprises magnesium and zirconia. The abrasive particle has at least one of an average strength of not greater than 1000 MPa or a relative friability of at least 105%.
    Type: Application
    Filed: June 29, 2016
    Publication date: January 17, 2019
    Inventors: Ralph BAUER, Jennifer H. CZEREPINSKI, Eric MOCH, Nabil NAHAS, Stefan VUJCIC
  • 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 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 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 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