Patents by Inventor Shreshtha U. Kumar

Shreshtha U. Kumar 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).

  • Liquid resistant battery pack
    Patent number: 12620656
    Abstract: Aspects of the present disclosure involve various battery packs. In general, the battery pack includes a plurality of layers and an enclosure enclosing the plurality of layers. A cathode terminal and an anode terminal extend from a first face of the enclosure. The cathode terminal and the anode terminal are connected to the plurality of layers. A Parylene coating may cover an entire surface of the enclosure except for at least a portion of a surface of the first face.
    Type: Grant
    Filed: June 14, 2022
    Date of Patent: May 5, 2026
    Assignee: Apple Inc.
    Inventors: Pengchuan Wang, Arun D. Chawan, Dominic Pitera, Karl A. Gazdowski, Kyle Tse, Nath B. Chhiv, Nathan J. Bohney, Shreshtha U. Kumar, Surojit Ganguli
  • Separator With Embedded Lithium-Ion Conductive Inorganic Material
    Publication number: 20260074367
    Abstract: A separator for an electrochemical cell has a layer of one or more polymer material, the layer having a thickness, and particles of one or more inorganic material that is lithium-ion conductive. The particles of the lithium-ion conductive inorganic material are embedded within the thickness of the layer of polymer material, each particle having a diameter ranging between 100 nm and 600 nm.
    Type: Application
    Filed: July 8, 2025
    Publication date: March 12, 2026
    Inventors: Wei Kah Tan, Shreshtha U. Kumar, Xingxing Zhang, Tingting Zhang, Wanjie Zhang, Erik D. Gillow, Rajesh Kandibanda, Atish S. Patankar, Mark E Wilcox
  • LIQUID RESISTANT BATTERY PACK
    Publication number: 20230097802
    Abstract: Aspects of the present disclosure involve various battery packs. In general, the battery pack includes a plurality of layers and an enclosure enclosing the plurality of layers. A cathode terminal and an anode terminal extend from a first face of the enclosure. The cathode terminal and the anode terminal are connected to the plurality of layers. A connector comprising a portion external to the enclosure is configured to connect the cathode terminal or the anode terminal to the plurality of layers. A coating covers an entire surface of the enclosure except for at least a portion of a surface of the first face.
    Type: Application
    Filed: June 14, 2022
    Publication date: March 30, 2023
    Inventors: Pengchuan Wang, Arun D. Chawan, Dominic Pitera, Karl A. Gazdowski, Kyle Tse, Nath B. Chhiv, Nathan J. Bohney, Shreshtha U. Kumar, Surojit Ganguli
  • LIQUID RESISTANT BATTERY PACK
    Publication number: 20230099230
    Abstract: Aspects of the present disclosure involve various battery packs. In general, the battery pack includes a plurality of layers and an enclosure enclosing the plurality of layers. A cathode terminal and an anode terminal extend from a first face of the enclosure. The cathode terminal and the anode terminal are connected to the plurality of layers. A Parylene coating may cover an entire surface of the enclosure except for at least a portion of a surface of the first face.
    Type: Application
    Filed: June 14, 2022
    Publication date: March 30, 2023
    Inventors: Pengchuan Wang, Arun D. Chawan, Dominic Pitera, Karl A. Gazdowski, Kyle Tse, Nath B. Chhiv, Nathan J. Bohney, Shreshtha U. Kumar, Surojit Ganguli