Patents by Inventor Da Zhu

Da Zhu 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: 10441498
    Abstract: Devices and methods for generating acoustic shock wave within a cavity is disclosed. The shock wave device optionally includes a housing having a cylindrical portion and a cone frustum portion. The housing optionally forms a cavity configured to receive a penis. The shock wave device optionally includes a plurality of shock wave generators and a coupling assembly having a deformable sac configured to hold shock wave transmitting liquid. The volume of the transmitting liquid is optionally increased or decreased as needed so that the coupling assembly can conform to the shape of the penis. The shock waves generated optionally has an intensity gradient within the cavity of the shock wave device, where the intensity gradient is optionally controllable using a control and power supply unit.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: October 15, 2019
    Assignee: S-WAVE CORP.
    Inventors: Da Zhu, Zhuoyu Chen
  • Patent number: 10400669
    Abstract: Disclosed is an electric starter with a manual turning function. A main shaft, a drive gear mechanism, a shift fork, an electromagnetic relay guide rod and a first return spring are arranged in a housing of the electric starter. A gear shifting mechanism comprises a force receiving component which extends out of the housing of the electric starter and serves as an external force applying point so as to promote the electromagnetic relay guide rod to move rightwards, a normally closed switch for cutting off a power supply of the electric starter when the force receiving component moves to an extreme position, a positioning component for locking the force receiving component when the force receiving component moves to the extreme position, and a first return component which enables the force receiving component to automatically returns to an original state when the force receiving component is unlocked.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: September 3, 2019
    Assignee: CHONGQING STARTING POWER UNIT CO., LTD.
    Inventors: Shuquan Liu, Yangguang Lin, Da'an Zhu
  • Publication number: 20180209334
    Abstract: Disclosed is an electric starter with a manual turning function. A main shaft, a drive gear mechanism, a shift fork, an electromagnetic relay guide rod and a first return spring are arranged in a housing of the electric starter. A gear shifting mechanism comprises a force receiving component which extends out of the housing of the electric starter and serves as an external force applying point so as to promote the electromagnetic relay guide rod to move rightwards, a normally closed switch for cutting off a power supply of the electric starter when the force receiving component moves to an extreme position, a positioning component for locking the force receiving component when the force receiving component moves to the extreme position, and a first return component which enables the force receiving component to automatically returns to an original state when the force receiving component is unlocked.
    Type: Application
    Filed: June 21, 2017
    Publication date: July 26, 2018
    Applicant: CHONGQING STARTING POWER UNIT CO. LTD.
    Inventors: Shuquan LIU, Yangguang LIN, Da'an ZHU
  • Publication number: 20120135250
    Abstract: An antimicrobial article prepared by a method includes forming an antimicrobial mixture by adding a calculated amount of antimicrobial agent to a solution of water and alcohol, depositing the antimicrobial mixture in a container, the antimicrobial mixture having a thickness of 0.1 ?m to 10 ?m, evaporating the water and alcohol of the antimicrobial mixture to form the layer of antimicrobial coating, adding silicone resin on top of the layer of antimicrobial coating and allow the silicone resin to permeate and crosslink with the layer of antimicrobial coating, and removing the silicone composite with the layer of antimicrobial coating from the container.
    Type: Application
    Filed: February 2, 2012
    Publication date: May 31, 2012
    Applicant: The Hong Kong Polytechnic University
    Inventors: Chak Yin TANG, Da-zhu CHEN, Tai Man YUE, Yuen Yee CHAN
  • Patent number: 8133423
    Abstract: A method of fabricating silicone composite with a layer of antimicrobial coating, the method includes forming an antimicrobial mixture by adding a calculated amount of antimicrobial agent to a solution of water and alcohol, depositing the antimicrobial mixture in a container with a thickness of 0.1 ?m to 10 ?m, evaporating the water and alcohol of the antimicrobial mixture to form the layer of antimicrobial coating, adding silicone resin on top of the layer of antimicrobial coating and allow the silicone resin to permeate and crosslink with the layer of antimicrobial coating and removing the silicone composite with the layer of antimicrobial coating from the container.
    Type: Grant
    Filed: October 20, 2009
    Date of Patent: March 13, 2012
    Assignees: The Hong Kong Polytechnic University, The Chinese University of Hong Kong
    Inventors: Chak Yin Tang, Da-zhu Chen, Tai Man Yue, Yuen Yee Chan
  • Publication number: 20110091669
    Abstract: A method of fabricating silicone composite with a layer of antimicrobial coating, the method includes forming an antimicrobial mixture by adding a calculated amount of antimicrobial agent to a solution of water and alcohol, depositing the antimicrobial mixture in a container with a thickness of 0.1 ?m to 10 ?m, evaporating the water and alcohol of the antimicrobial mixture to form the layer of antimicrobial coating, adding silicone resin on top of the layer of antimicrobial coating and allow the silicone resin to permeate and crosslink with the layer of antimicrobial coating and removing the silicone composite with the layer of antimicrobial coating from the container.
    Type: Application
    Filed: October 20, 2009
    Publication date: April 21, 2011
    Applicant: THE HONG KONG POLYTECHNIC UNIVERSITY
    Inventors: Chak Yin Tang, Da-zhu Chen, Tai Man Yue, Yuen Yee Chan