Patents by Inventor Nikolay Krastev Iltchev

Nikolay Krastev Iltchev 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).

  • Primary alkaline battery
    Patent number: 11876221
    Abstract: A primary battery includes a cathode having a non-stoichiometric metal oxide including transition metals Ni, Mn, Co, or a combination of metal atoms, an alkali metal, and hydrogen; an anode; a separator between the cathode and the anode; and an alkaline electrolyte.
    Type: Grant
    Filed: November 2, 2020
    Date of Patent: January 16, 2024
    Assignee: DURACELL U.S. OPERATIONS, INC.
    Inventors: Paul Albert Christian, Yichun Wang, Nikolay Krastev Iltchev, Kirakodu S. Nanjundaswamy, Jennifer Anne Nelson, Fan Zhang
  • Primary alkaline battery
    Patent number: 11811058
    Abstract: A primary battery includes a cathode having a non-stoichiometric metal oxide including transition metals Ni, Mn, Co, or a combination of metal atoms, an alkali metal, and hydrogen; an anode; a separator between the cathode and the anode; and an alkaline electrolyte.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: November 7, 2023
    Assignee: DURACELL U.S. OPERATIONS, INC.
    Inventors: Paul Albert Christian, Yichun Wang, Nikolay Krastev Iltchev, Kirakodu S. Nanjundaswamy, Jennifer Anne Nelson, Fan Zhang
  • Primary Alkaline Battery
    Publication number: 20220123294
    Abstract: A primary battery includes a cathode having a non-stoichiometric metal oxide including transition metals Ni, Mn, Co, or a combination of metal atoms, an alkali metal, and hydrogen; an anode; a separator between the cathode and the anode; and an alkaline electrolyte.
    Type: Application
    Filed: December 30, 2021
    Publication date: April 21, 2022
    Inventors: Paul Albert Christian, Yichun Wang, Nikolay Krastev Iltchev, Kirakodu S. Nanjundaswamy, Jennifer Anne Nelson, Fan Zhang
  • Primary Alkaline Battery
    Publication number: 20210057741
    Abstract: A primary battery includes a cathode having a non-stoichiometric metal oxide including transition metals Ni, Mn, Co, or a combination of metal atoms, an alkali metal, and hydrogen; an anode; a separator between the cathode and the anode; and an alkaline electrolyte.
    Type: Application
    Filed: November 2, 2020
    Publication date: February 25, 2021
    Inventors: Paul Albert Christian, Yichun Wang, Nikolay Krastev Iltchev, Kirakodu S. Nanjundaswamy, Jennifer Anne Nelson, Fan Zhang
  • Primary alkaline battery
    Patent number: 10826062
    Abstract: A primary battery includes a cathode having a non-stoichiometric metal oxide including transition metals Ni, Mn, Co, or a combination of metal atoms, an alkali metal, and hydrogen; an anode; a separator between the cathode and the anode; and an alkaline electrolyte.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: November 3, 2020
    Assignee: DURACELL U.S. OPERATIONS, INC.
    Inventors: Paul Albert Christian, Yichun Wang, Nikolay Krastev Iltchev, Kirakodu S. Nanjundaswamy, Jennifer Anne Nelson, Fan Zhang
  • Primary alkaline battery
    Patent number: 10232520
    Abstract: A primary battery includes a cathode having a non-stoichiometric metal oxide including transition metals Ni, Mn, Co, or a combination of metal atoms, an alkali metal, and hydrogen; an anode; a separator between the cathode and the anode; and an alkaline electrolyte.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: March 19, 2019
    Assignee: DURACELL U.S. OPERATIONS, INC.
    Inventors: Paul Albert Christian, Yichun Wang, Nikolay Krastev Iltchev, Kirakodu S. Nanjundaswamy, Jennifer Anne Nelson, Fan Zhang
  • Primary alkaline battery
    Patent number: 9498890
    Abstract: A primary battery includes a cathode having a non-stoichiometric metal oxide including transition metals Ni, Mn, Co, or a combination of metal atoms, an alkali metal, and hydrogen; an anode; a separator between the cathode and the anode; and an alkaline electrolyte.
    Type: Grant
    Filed: September 26, 2012
    Date of Patent: November 22, 2016
    Assignee: DURACELL U.S. OPERATIONS, INC.
    Inventors: Paul Albert Christian, Yichun Wang, Nikolay Krastev Iltchev, Kirakodu S. Nanjundaswamy, Jennifer Anne Nelson, Fan Zhang
  • PRIMARY ALKALINE BATTERY
    Publication number: 20160301074
    Abstract: A primary battery includes a cathode having a non-stoichiometric metal oxide including transition metals Ni, Mn, Co, or a combination of metal atoms, an alkali metal, and hydrogen; an anode; a separator between the cathode and the anode; and an alkaline electrolyte.
    Type: Application
    Filed: April 22, 2016
    Publication date: October 13, 2016
    Applicant: DURACELL U.S. OPERATIONS, INC.
    Inventors: Paul Albert Christian, Yichun Wang, Nikolay Krastev Iltchev, Kirakodu S. Nanjundaswamy, Jennifer Anne Nelson, Fan Zhang