Patents by Inventor Mu-Tsun Yu

Mu-Tsun Yu 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: 10829920
    Abstract: A toilet clean device has a long pipe, a joint pipe, and an adjustable elbow pipe. The long pipe is hollow and has a longitudinal cutting slot. The joint pipe is fluidly communicated with a bottom end of the long pipe. The adjustable elbow pipe is fluidly communicated with the joint pipe and the direction, the curvature, and the angle thereof may be adjusted freely. Therefore, the toilet clean device may adapt for any size of the pipeline of the toilet. The structure of the toilet clean device is not only simplified and easy to be assembled and disassembled, but also the toilet clean device is easy to be operated.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: November 10, 2020
    Inventor: Mu-Tsun Yu
  • Publication number: 20200011039
    Abstract: A toilet clean device has a long pipe, a joint pipe, and an adjustable elbow pipe. The long pipe is hollow and has a longitudinal cutting slot. The joint pipe is fluidly communicated with a bottom end of the long pipe. The adjustable elbow pipe is fluidly communicated with the joint pipe and the direction, the curvature, and the angle thereof may be adjusted freely. Therefore, the toilet clean device may adapt for any size of the pipeline of the toilet. The structure of the toilet clean device is not only simplified and easy to be assembled and disassembled, but also the toilet clean device is easy to be operated.
    Type: Application
    Filed: June 19, 2019
    Publication date: January 9, 2020
    Inventor: MU-TSUN YU
  • Publication number: 20160298325
    Abstract: A drain cleaner includes a shank, a clearing member connected with the shank, a support pipe allowing passage of the clearing member, a handgrip mounted on the support pipe, and a mounting sleeve mounted on the support pipe and connected with the handgrip. The support pipe has an upper end provided with a slit and a lower end provided with an arcuate portion and an extension. The handgrip is located outside of the support pipe and is provided with a slit. The mounting sleeve is located outside of the support pipe and is provided with a slit. The slit of the mounting sleeve is connected between the slit of the support pipe and the slit of the handgrip.
    Type: Application
    Filed: April 8, 2015
    Publication date: October 13, 2016
    Inventor: Mu-Tsun Yu
  • Patent number: 9217245
    Abstract: A motorized drain snake includes a shank and a coiled member connected with the shank. The shank has a first end provided with a bushing which has an interior provided with a shaft hole for mounting the coiled member. The bushing of the shank is made of soft iron material. The bushing of the shank has an end face provided with a plurality of ramps. The coiled member is hollow, bendable and flexible. The coiled member is made of a metallic wire that is wound successively. The coiled member has a first end securely mounted in the shaft hole of the bushing of the shank and a second end provided with a drilling portion.
    Type: Grant
    Filed: April 10, 2014
    Date of Patent: December 22, 2015
    Inventor: Mu-Tsun Yu
  • Publication number: 20140215737
    Abstract: A motorized drain snake includes a shank and a coiled member connected with the shank. The shank has a first end provided with a bushing which has an interior provided with a shaft hole for mounting the coiled member. The bushing of the shank is made of soft iron material. The bushing of the shank has an end face provided with a plurality of ramps. The coiled member is hollow, bendable and flexible. The coiled member is made of a metallic wire that is wound successively. The coiled member has a first end securely mounted in the shaft hole of the bushing of the shank and a second end provided with a drilling portion.
    Type: Application
    Filed: April 10, 2014
    Publication date: August 7, 2014
    Inventor: Mu-Tsun Yu
  • Publication number: 20140115802
    Abstract: A motorized drain snake includes a flexible member and a coupling. The flexible member has a first end provided with a hollow threaded portion and a second end provided with a tip portion. The coupling has a first end provided with a threaded connecting portion screwed into the threaded portion of the flexible member and a second end provided with a plurality of engaging slots for being connected with a powered tool. When in use, the powered tool is started to rotate the flexible member so that the tip portion of the flexible member is turned and extended deeply into a U-shaped channel of a toilet so as to pick and clear the clog, blockage or stoppage in the U-shaped channel.
    Type: Application
    Filed: October 31, 2012
    Publication date: May 1, 2014
    Inventor: Mu-Tsun Yu