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Haitao Chang

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  • Nanping City, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Battery
    • Patent number 12,051,797
    • Issue date Jul 30, 2024
    • DURACELL U.S. OPERATIONS, INC.
    • Michael Pozin
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Button cell and method for welding electrode tabs to a pole shell o...
    • Patent number 11,850,673
    • Issue date Dec 26, 2023
    • FUJIAN NANPING YANPING DISTRICT NANFU NEW ENERGY TECHNOLOGY CO., LTD.
    • Haitao Chang
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Battery
    • Patent number 11,502,532
    • Issue date Nov 15, 2022
    • DURACELL U.S. OPERATIONS, INC.
    • Michael Pozin
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Rechargeable button cell
    • Patent number 11,121,394
    • Issue date Sep 14, 2021
    • Fujian Nanping Yanping District Nanfu New Energy Technology Co., Ltd
    • Haitao Chang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Battery
    • Patent number 10,916,956
    • Issue date Feb 9, 2021
    • DURACELL U.S. OPERATIONS, INC.
    • Michael Pozin
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Battery
    • Patent number 10,536,016
    • Issue date Jan 14, 2020
    • DURACELL U.S. OPERATIONS, INC.
    • Michael Pozin
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electrochemical secondary battery having inbuilt charging circuit
    • Patent number 10,224,582
    • Issue date Mar 5, 2019
    • FUJIAN NANPING NANFU BATTERY CO., LTD
    • Qingshun Zhang
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Secondary electrochemical battery sealing body with packaged chip s...
    • Patent number 10,026,997
    • Issue date Jul 17, 2018
    • FUJIAN NANPING NANFU BATTERY CO., LTD.
    • Qingshun Zhang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Battery
    • Patent number 8,304,116
    • Issue date Nov 6, 2012
    • The Gillette Company
    • Michael Pozin
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

  • Information Patent Application

    Battery
    • Publication number 20230082531
    • Publication date Mar 16, 2023
    • DURACELL U.S. OPERATIONS, INC.
    • Michael Pozin
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    BUTTON CELL AND METHOD FOR WELDING ELECTRODE TABS TO A POLE SHELL O...
    • Publication number 20210331268
    • Publication date Oct 28, 2021
    • FUJIAN NANPING YANPING DISTRICT NANFU NEW ENERGY TECHNOLOGY CO., LTD.
    • Haitao CHANG
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    RECHARGEABLE BUTTON CELL
    • Publication number 20210305543
    • Publication date Sep 30, 2021
    • FUJIAN NANPING YANPING DISTRICT NANFU NEW ENERGY TECHNOLOGY CO., LTD.
    • Haitao CHANG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Battery
    • Publication number 20210167618
    • Publication date Jun 3, 2021
    • DURACELL U.S. OPERATIONS, INC.
    • Michael Pozin
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    BATTERY
    • Publication number 20200119572
    • Publication date Apr 16, 2020
    • DURACELL U.S. OPERATIONS, INC.
    • Michael Pozin
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ELECTROCHEMICAL SECONDARY BATTERY HAVING INBUILT CHARGING CIRCUIT
    • Publication number 20180069273
    • Publication date Mar 8, 2018
    • FUJIAN NANPING NANFU BATTERY CO., LTD.
    • Qingshun ZHANG
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SECONDARY ELECTROCHEMICAL BATTERY SEALING BODY WITH CHARGING INDICATOR
    • Publication number 20170338450
    • Publication date Nov 23, 2017
    • FUJIAN NANPING NANFU BATTERY CO., LTD.
    • Haitao Chang
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SECONDARY ELECTROCHEMICAL BATTERY SEALING BODY WITH PACKAGED CHIP S...
    • Publication number 20170338521
    • Publication date Nov 23, 2017
    • FUJIAN NANPING NANFU BATTERY CO., LTD.
    • Qingshun Zhang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Battery
    • Publication number 20140125285
    • Publication date May 8, 2014
    • The Gillette Company
    • Michael Pozin
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Battery
    • Publication number 20100086833
    • Publication date Apr 8, 2010
    • Michael Pozin
    • H01 - BASIC ELECTRIC ELEMENTS