Patents by Inventor Hwa-Tien Chen

Hwa-Tien Chen 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: 6865768
    Abstract: A sponge mop assembly includes a handle and a head mounted on a bottom end of the handle. The head has a mount clamping a sponge, two front and two rear coupling arms bilaterally extending downward from front and rear sides of the mount such that a space is defined between the mount and the front coupling arms, and two parallel front and two parallel rear squeezing members mounted side by side between the two front and rear coupling arms. A pull rod assembly is mounted on the handle and connected with the sponge for moving the sponge to be squeezed by the squeezing members so as to remove water from the sponge. A brushing member is mounted on a front side of the mount and located in the space. Therefore, the sponge mop assembly is provided with both functions of mopping and brushing the floor as well as being user-friendly.
    Type: Grant
    Filed: October 16, 2002
    Date of Patent: March 15, 2005
    Inventor: Hwa-Tien Chen
  • Publication number: 20040074032
    Abstract: A sponge mop assembly includes a handle and a head mounted on a bottom end of the handle. The head has a mount clamping a sponge, two front and two rear coupling arms bilaterally extending downward from front and rear sides of the mount such that a space is defined between the mount and the front coupling arms, and two parallel front and two parallel rear squeezing members mounted side by side between the two front and rear coupling arms. A pull rod assembly is mounted on the handle and connected with the sponge for moving the sponge to be squeezed by the squeezing members so as to remove water from the sponge. A brushing member is mounted on a front side of the mount and located in the space. Therefore, the sponge mop assembly is provided with both functions of mopping and brushing the floor as well as being user-friendly.
    Type: Application
    Filed: October 16, 2002
    Publication date: April 22, 2004
    Inventor: Hwa-Tien Chen
  • Patent number: 6061863
    Abstract: A mop is composed of a rod, a head fastened with one end of the rod, two first press bars fastened with the head, a pull rod fastened pivotally with the rod, two connection rods fastened pivotally at one end thereof with the pull rod such that other end thereof is extended into the head, a colloidal cotton having a top edge which is disposed between the two first press bars and connected with free ends of the connection rods, and at least two second press bars fastened with the head such that the second press bars are parallel to the first press bars and that the second press bars and the first press bars are located side by side to rid the soaked colloidal cotton of water.
    Type: Grant
    Filed: January 12, 1999
    Date of Patent: May 16, 2000
    Inventor: Hwa-Tien Chen