Patents by Inventor Kah Hooi Tan

Kah Hooi Tan 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 controlling an electric motor of a power tool
    Patent number: 11975427
    Abstract: A method for controlling an electric motor of a power tool having a receptacle for a tool, at least a current of the electric motor and/or a rotation speed of the electric motor during an impact operating mode of the electric motor being detected as a parameter, a driving time of the electric motor for the impact operating mode being specified as a function of the detected parameter. A method is also described for controlling an electric motor of a power tool having a receptacle for a tool for unscrewing a screw from a mating part.
    Type: Grant
    Filed: May 27, 2022
    Date of Patent: May 7, 2024
    Assignee: ROBERT BOSCH GMBH
    Inventors: Chi Hoe Leong, Ju-Lien Tan, Kah Hooi Tan, Moritz Stiefel, Sim Teik Yeoh
  • Method for controlling an electric motor of a power tool
    Patent number: 11491617
    Abstract: A method for controlling an electric motor of a power tool having a receptacle for a tool, at least a current of the electric motor and/or a rotation speed of the electric motor during an impact operating mode of the electric motor being detected as a parameter, a driving time of the electric motor for the impact operating mode being specified as a function of the detected parameter. A method is also described for controlling an electric motor of a power tool having a receptacle for a tool for unscrewing a screw from a mating part.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: November 8, 2022
    Assignee: Robert Bosch GmbH
    Inventors: Chi Hoe Leong, Ju-Lien Tan, Kah Hooi Tan, Moritz Stiefel, Sim Teik Yeoh
  • METHOD FOR CONTROLLING AN ELECTRIC MOTOR OF A POWER TOOL
    Publication number: 20220281086
    Abstract: A method for controlling an electric motor of a power tool having a receptacle for a tool, at least a current of the electric motor and/or a rotation speed of the electric motor during an impact operating mode of the electric motor being detected as a parameter, a driving time of the electric motor for the impact operating mode being specified as a function of the detected parameter. A method is also described for controlling an electric motor of a power tool having a receptacle for a tool for unscrewing a screw from a mating part.
    Type: Application
    Filed: May 27, 2022
    Publication date: September 8, 2022
    Inventors: Chi Hoe Leong, Ju-Lien Tan, Kah Hooi Tan, Moritz Stiefel, Sim Teik Yeoh
  • METHOD FOR CONTROLLING AN ELECTRIC MOTOR OF A POWER TOOL
    Publication number: 20170190032
    Abstract: A method for controlling an electric motor of a power tool having a receptacle for a tool, at least a current of the electric motor and/or a rotation speed of the electric motor during an impact operating mode of the electric motor being detected as a parameter, a driving time of the electric motor for the impact operating mode being specified as a function of the detected parameter. A method is also described for controlling an electric motor of a power tool having a receptacle for a tool for unscrewing a screw from a mating part.
    Type: Application
    Filed: June 18, 2015
    Publication date: July 6, 2017
    Inventors: Chi Hoe Leong, Ju-Lien Tan, Kah Hooi Tan, Moritz Stiefel, Sim Teik Yeoh