Patents by Inventor Pingyan RONG

Pingyan RONG 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).

  • Method for producing a cut section for a drill bit
    Patent number: 11504815
    Abstract: A method for producing a cutting section from a closed tubular element (14) which is in the form of a hollow cylinder and from one or more drill segments (16) which are connected to the closed tubular element (14).
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: November 22, 2022
    Assignee: Hilti Aktiengesellschaft
    Inventors: Florian Schroeder, Guenter Domani, Pingyan Rong
  • Cutting section for a drill bit
    Patent number: 11504881
    Abstract: A cutting section (11) which is connectable to a drill shaft section via a releasable connecting device. The cutting section includes a first open tubular element (14) which is in the form of a first hollow cylinder having a first waved, trapezoidal or zigzag-shaped cross-sectional area, a second closed tubular element (15) which is in the form of a second hollow cylinder having a circular ring-shaped cross-sectional area, and one or more drill segments (16) which are connected to the first open tubular element (14) and to the second closed tubular element (15).
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: November 22, 2022
    Assignee: Hilti Aktiengesellschaft
    Inventors: Florian Schroeder, Guenter Domani, Pingyan Rong
  • CUTTING SECTION FOR A DRILL BIT
    Publication number: 20210187631
    Abstract: A cutting section (11) which is connectable to a drill shaft section via a releasable connecting device. The cutting section includes a first closed tubular element (14) which is in the form of a first hollow cylinder having a first waved, trapezoidal or zigzag-shaped cross-sectional area, a second closed tubular element (15) which is in the form of a second hollow cylinder having a circular ring-shaped cross-sectional area, and one or more drill segments (16) which are connected to the first closed tubular element (14) and to the second closed tubular element (15).
    Type: Application
    Filed: December 17, 2018
    Publication date: June 24, 2021
    Inventors: Florian SCHROEDER, Guenter DOMANI, Pingyan RONG
  • CUTTING SECTION FOR A DRILL BIT
    Publication number: 20210178492
    Abstract: A cutting section (11) which is connectable to a drill shaft section via a releasable connecting device. The cutting section includes a first open tubular element (14) which is in the form of a first hollow cylinder, a second closed tubular element (15) which is in the form of a second hollow cylinder, and one or more drill segments (16) which are connected to the first open tubular element (14) and to the second closed tubular element (15).
    Type: Application
    Filed: December 11, 2018
    Publication date: June 17, 2021
    Inventors: Florian SCHROEDER, Guenter DOMANI, Pingyan RONG
  • CUTTING SECTION FOR A DRILL BIT
    Publication number: 20210107070
    Abstract: A cutting section (11) which is connectable to a drill shaft section via a releasable connecting device. The cutting section includes a first open tubular element (14) which is in the form of a first hollow cylinder having a first waved, trapezoidal or zigzag-shaped cross-sectional area, a second closed tubular element (15) which is in the form of a second hollow cylinder having a circular ring-shaped cross-sectional area, and one or more drill segments (16) which are connected to the first open tubular element (14) and to the second closed tubular element (15).
    Type: Application
    Filed: December 11, 2018
    Publication date: April 15, 2021
    Inventors: Florian SCHROEDER, Guenter DOMANI, Pingyan RONG
  • CUTTING SECTION FOR A CORE BIT
    Publication number: 20210078084
    Abstract: A cutting section (11) which is connectable to a drill shaft section via a releasable connecting device. The cutting section includes a first closed tubular element (14) which is in the form of a first hollow cylinder having a first waved, trapezoidal or zigzag-shaped cross-sectional area, a second closed tubular element (15) which is in the form of a second hollow cylinder having a circular ring-shaped cross-sectional area, and one or more drill segments (16) which are connected to the first closed tubular element (14).
    Type: Application
    Filed: December 17, 2018
    Publication date: March 18, 2021
    Inventors: Florian SCHROEDER, Guenter DOMANI, Pingyan RONG
  • METHOD FOR PRODUCING A CUT SECTION FOR A DRILL BIT
    Publication number: 20210078119
    Abstract: A method for producing a cutting section from a closed tubular element (14) which is in the form of a hollow cylinder and from one or more drill segments (16) which are connected to the closed tubular element (14).
    Type: Application
    Filed: December 13, 2018
    Publication date: March 18, 2021
    Inventors: Florian SCHROEDER, Guenter DOMANI, Pingyan RONG
  • CUTTING SECTION FOR A DRILL BIT
    Publication number: 20210078085
    Abstract: A cutting section (11) which is connectable to a drill shaft section via a releasable connecting device. The cutting section includes a first closed tubular element (14) which is in the form of a first hollow cylinder, a second closed tubular element (15) which is in the form of a second hollow cylinder, and one or more drill segments (16) which are connected to the first closed tubular element (14) and to the second closed tubular element (15).
    Type: Application
    Filed: December 17, 2018
    Publication date: March 18, 2021
    Inventors: Florian SCHROEDER, Guenter DOMANI, Pingyan RONG