Patents by Inventor Rahul Vilas Kulkarni

Rahul Vilas Kulkarni 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).

  • Patent number: 11814713
    Abstract: Described herein are methods of processing heat treatable aluminum alloys using an accelerated aging step, along with aluminum alloy products prepared according to the methods. The methods of processing the heat treatable alloys described herein provide a more efficient method for producing aluminum alloy products having the desired strength and formability properties. For example, conventional methods of processing alloys can require 24 hours of aging. The methods described herein, however, substantially reduce the aging time, often requiring eight hours or less of aging time.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: November 14, 2023
    Assignee: Novelis Inc.
    Inventors: Cedric Wu, Rajeev G. Kamat, Yudie Yuan, David Leyvraz, Julie Richard, Rahul Vilas Kulkarni, Peter Lloyd Redmond, Yi Wang, Rajasekhar Talla, Rashmi Ranjan Mohanty, Tudor Piroteala
  • Patent number: 11766846
    Abstract: Provided herein are new clad aluminum alloy products and methods of making these alloys. These alloy products possess a combination of strength and other key attributes, such as corrosion resistance, formability, and joining capabilities. The alloy products can be used in a variety of applications, including automotive, transportation, and electronics applications.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: September 26, 2023
    Assignee: Novelis Inc.
    Inventors: Rajeev G. Kamat, Hashem Mousavi-Anijdan, Rahul Vilas Kulkarni, Juergen Timm, Corrado Bassi, Robert Bruce Wagstaff, Guillaume Florey, Cyrille Bezencon, Samuel R. Wagstaff, David Leyvraz
  • Publication number: 20220333229
    Abstract: Described herein are novel 7xxx series aluminum alloys. The alloys exhibit high strength. The alloys can be used in a variety of applications, including automotive, transportation, electronics, aerospace, and industrial applications. Also described herein are methods of making and processing the alloys. Further described herein are methods of producing a metal sheet, which include casting an aluminum alloy as described herein to form an ingot, homogenizing the ingot, hot rolling the ingot to produce a hot band, and cold rolling the hot band to a metal sheet of final gauge.
    Type: Application
    Filed: July 1, 2022
    Publication date: October 20, 2022
    Applicant: Novelis Inc.
    Inventors: RAJEEV G. KAMAT, DHRUBA J. CHAKRABARTI, RASHMI RASHMI MOHANTY, RAHUL VILAS KULKARNI, DUANE E. BENDZINSKI, JUERGEN TIMM
  • Patent number: 11421309
    Abstract: Described herein are novel 7xxx series aluminum alloys. The alloys exhibit high strength. The alloys can be used in a variety of applications, including automotive, transportation, electronics, aerospace, and industrial applications. Also described herein are methods of making and processing the alloys. Further described herein are methods of producing a metal sheet, which include casting an aluminum alloy as described herein to form an ingot, homogenizing the ingot, hot rolling the ingot to produce a hot band, and cold rolling the hot band to a metal sheet of final gauge.
    Type: Grant
    Filed: October 28, 2016
    Date of Patent: August 23, 2022
    Assignee: Novelis Inc.
    Inventors: Rajeev G. Kamat, Dhruba J. Chakrabarti, Rashmi Ranjan Mohanty, Rahul Vilas Kulkarni, Duane E. Bendzinski, Juergen Timm
  • Publication number: 20200307160
    Abstract: Provided herein are new clad aluminum alloy products and methods of making these alloys. These alloy products possess a combination of strength and other key attributes, such as corrosion resistance, formability, and joining capabilities. The alloy products can be used in a variety of applications, including automotive, transportation, and electronics applications.
    Type: Application
    Filed: June 15, 2020
    Publication date: October 1, 2020
    Applicant: Novelis Inc.
    Inventors: Rajeev G. Kamat, Hashem Mousavi-Anijdan, Rahul Vilas Kulkarni, Juergen Timm, Corrado Bassi, Robert Bruce Wagstaff, Guillaume Florey, Cyrille Bezencon, Samuel R. Wagstaff, David Leyvraz
  • Patent number: 10730266
    Abstract: Provided herein are new clad aluminum alloy products and methods of making these alloys. These alloy products possess a combination of strength and other key attributes, such as corrosion resistance, formability, and joining capabilities. The alloy products can be used in a variety of applications, including automotive, transportation, and electronics applications.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: August 4, 2020
    Assignee: NOVELIS INC.
    Inventors: Rajeev G. Kamat, Hashem Mousavi-Anijdan, Rahul Vilas Kulkarni, Juergen Timm, Corrado Bassi, Robert Bruce Wagstaff, Guillaume Florey, Cyrille Bezencon, Samuel R. Wagstaff, David Leyvraz
  • Publication number: 20200149141
    Abstract: Described herein are methods of processing heat treatable aluminum alloys using an accelerated aging step, along with aluminum alloy products prepared according to the methods. The methods of processing the heat treatable alloys described herein provide a more efficient method for producing aluminum alloy products having the desired strength and formability properties. For example, conventional methods of processing alloys can require 24 hours of aging. The methods described herein, however, substantially reduce the aging time, often requiring eight hours or less of aging time.
    Type: Application
    Filed: November 11, 2019
    Publication date: May 14, 2020
    Applicant: Novelis Inc.
    Inventors: Cedric Wu, Rajeev G. Kamat, Yudie Yuan, David Leyvraz, Julie Richard, Rahul Vilas Kulkarni, Peter Lloyd Redmond, Yi Wang, Rajasekhar Talla, Rashmi Ranjan Mohanty, Tudor Piroteala
  • Publication number: 20200082973
    Abstract: Described herein are anodized continuous coils containing a thin anodized film layer and methods for making and using the same. The anodized continuous coils include an aluminum alloy continuous coil, wherein a surface of the aluminum alloy continuous coil comprises a thin anodized film layer. The anodized continuous coils maintain the anodized film layer during deforming processes.
    Type: Application
    Filed: September 10, 2019
    Publication date: March 12, 2020
    Applicant: NOVELIS INC.
    Inventors: RAHUL VILAS KULKARNI, CEDRIC WU, TODD SUMME, EMANUEL BECK, MICHELE EDITH BERNER, KURT SEKINGER, DAVID LEYVRAZ, THERESA ELIZABETH MACFARLANE
  • Patent number: 10508328
    Abstract: Systems and methods of hot forming a metal blank include receiving the metal blank at a heater and positioning the blank adjacent a magnetic rotor of the heater. The systems and methods also include heating the metal blank through the magnetic rotor by rotating the magnetic rotor. Rotating the magnetic rotor induces a magnetic field into the metal blank such that the metal blank is heated.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: December 17, 2019
    Assignee: NOVELIS INC.
    Inventors: Julio Malpica, Cedric Wu, Rahul Vilas Kulkarni, Rodger Brown, Duane E. Bendzinski
  • Patent number: 10472708
    Abstract: A method of hot forming an aluminum alloy component may include heating the aluminum alloy component in a heating furnace to a solutionizing temperature, cooling the aluminum alloy component to a desired forming temperature, deforming the aluminum alloy component into a desired shape in a forming device while the aluminum alloy component is at the desired forming temperature, maintaining a constant temperature during the deformation of the aluminum alloy component, and quenching the aluminum alloy component to a low temperature below a solvus temperature.
    Type: Grant
    Filed: September 27, 2016
    Date of Patent: November 12, 2019
    Assignee: NOVELIS INC.
    Inventors: Rashmi Ranjan Mohanty, Duane E. Bendzinski, Rahul Vilas Kulkarni
  • Publication number: 20190169726
    Abstract: A method of hot forming an aluminum alloy component may include heating the aluminum alloy component in a heating furnace to a solutionizing temperature, cooling the aluminum alloy component to a desired forming temperature, deforming the aluminum alloy component into a desired shape in a forming device while the aluminum alloy component is at the desired forming temperature, maintaining a constant temperature during the deformation of the aluminum alloy component, and quenching the aluminum alloy component to a low temperature below a solvus temperature.
    Type: Application
    Filed: February 4, 2019
    Publication date: June 6, 2019
    Applicant: Novelis Inc.
    Inventors: Rashmi Ranjan Mohanty, Duane E. Bendzinski, Rahul Vilas Kulkarni
  • Publication number: 20190055637
    Abstract: The present disclosure generally provides aluminum alloy products having selectively recrystallized microstructure at one or more surfaces of the product. The disclosure also provides articles of manufacture made from such products, and methods of making such products, such as through casting and rolling. The disclosure also provides various end uses of such products, such as in automotive, transportation, electronics, and industrial applications.
    Type: Application
    Filed: August 20, 2018
    Publication date: February 21, 2019
    Applicant: Novelis Inc.
    Inventors: Cedric Wu, Rajeev G. Kamat, Yi Wang, Samuel Robert Wagstaff, Rashmi Ranjan Mohanty, Rahul Vilas Kulkarni, Duane E. Bendzinski, Yudie Yuan
  • Publication number: 20180304584
    Abstract: Provided herein are new clad aluminum alloy products and methods of making these alloys. These alloy products possess a combination of strength and other key attributes, such as corrosion resistance, formability, and joining capabilities. The alloy products can be used in a variety of applications, including automotive, transportation, and electronics applications.
    Type: Application
    Filed: April 23, 2018
    Publication date: October 25, 2018
    Applicant: Novelis Inc.
    Inventors: Rajeev G. Kamat, Hashem Mousavi-Anijdan, Rahul Vilas Kulkarni, Juergen Timm, Corrado Bassi, Robert Bruce Wagstaff, Guillaume Florey, Cyrille Bezencon, Samuel R. Wagstaff, David Leyvraz
  • Publication number: 20180202031
    Abstract: Disclosed herein are methods of processing 7xxx aluminum alloys using a rapid pre-aging step, along with alloys prepared according to the methods. The aluminum alloy products described herein have high strength when subjected to a rapid pre-aging step, as described above, and subsequent thermal treatment, such as paint baking or coating. The alloys prepared and processed according to the methods described herein can be used, for example, in automotive, transportation, electronics, and industrial applications.
    Type: Application
    Filed: January 16, 2018
    Publication date: July 19, 2018
    Applicant: Novelis Inc.
    Inventors: Cedric Wu, Rahul Vilas Kulkarni, Rajeev G. Kamat, Rashmi Ranjan Mohanty, Rajasekhar Talla
  • Publication number: 20180085810
    Abstract: Systems and methods of hot forming a metal blank include receiving the metal blank at a heater and positioning the blank adjacent a magnetic rotor of the heater. The systems and methods also include heating the metal blank through the magnetic rotor by rotating the magnetic rotor. Rotating the magnetic rotor induces a magnetic field into the metal blank such that the metal blank is heated.
    Type: Application
    Filed: September 27, 2017
    Publication date: March 29, 2018
    Applicant: Novelis Inc.
    Inventors: Julio Malpica, Cedric Wu, Rahul Vilas Kulkarni, Rodger Brown, Duane E. Bendzinski
  • Publication number: 20170121802
    Abstract: Described herein are novel 7xxx series aluminum alloys. The alloys exhibit high strength. The alloys can be used in a variety of applications, including automotive, transportation, electronics, aerospace, and industrial applications. Also described herein are methods of making and processing the alloys. Further described herein are methods of producing a metal sheet, which include casting an aluminum alloy as described herein to form an ingot, homogenizing the ingot, hot rolling the ingot to produce a hot band, and cold rolling the hot band to a metal sheet of final gauge.
    Type: Application
    Filed: October 28, 2016
    Publication date: May 4, 2017
    Applicant: Novelis Inc.
    Inventors: RAJEEV G. KAMAT, DHRUBA J. CHAKRABARTI, RASHMI RANJAN MOHANTY, RAHUL VILAS KULKARNI, DUANE E. BENDZINSKI, JUERGEN TIMM
  • Publication number: 20170101705
    Abstract: A method of hot forming an aluminum alloy component may include heating the aluminum alloy component in a heating furnace to a solutionizing temperature, cooling the aluminum alloy component to a desired forming temperature, deforming the aluminum alloy component into a desired shape in a forming device while the aluminum alloy component is at the desired forming temperature, maintaining a constant temperature during the deformation of the aluminum alloy component, and quenching the aluminum alloy component to a low temperature below a solvus temperature.
    Type: Application
    Filed: September 27, 2016
    Publication date: April 13, 2017
    Applicant: Novelis Inc.
    Inventors: Rashmi Ranjan Mohanty, Duane E. Bendzinski, Rahul Vilas Kulkarni