Patents by Inventor Min Hung LAI

Min Hung LAI 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).

  • Patent number: 11020847
    Abstract: A screwdriver includes a shank with a handle connected to a collar rotatably and a base is located in a room of the handle. At least one resilient extending from the underside of the collar is inserted in at least one recess of the handle. The base connected to the outside of the collar has a rod connected to a positioning member. The positioning member is defined with multiple slots able to hold bits in position in the room. One side of the base is sealed by a cap. Therefore, the bits are received inside of the handle so as to carry with the screwdriver.
    Type: Grant
    Filed: August 19, 2014
    Date of Patent: June 1, 2021
    Inventors: Chia Wei Lai, Min Hung Lai
  • Publication number: 20160052124
    Abstract: A screwdriver includes a shank with a handle connected to a collar rotatably and a base is located in a room of the handle. At least one resilient extending from the underside of the collar is inserted in at least one recess of the handle. The base connected to the outside of the collar has a rod connected to a positioning member. The positioning member is defined with multiple slots able to hold bits in position in the room. One side of the base is sealed by a cap. Therefore, the bits are received inside of the handle so as to carry with the screwdriver.
    Type: Application
    Filed: August 19, 2014
    Publication date: February 25, 2016
    Inventors: Chia Wei LAI, Min Hung LAI