Patents by Inventor Zhongxin Zhou

Zhongxin Zhou 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).

  • Material feeding bag
    Patent number: 9994391
    Abstract: The present disclosure provides a material feeding bag which comprises an inner bag. The inner bag has: an inner bag upper port portion, an inner bag main receiving portion and an inner bag lower port portion. The inner bag upper port portion has an upper port; the inner bag main receiving portion is connected to a lower end of the inner bag upper port portion along an axial direction; the inner bag lower port portion is connected to a lower end of the inner bag main receiving portion along the axial direction and has a lower port for controllable communication with an external hopper entrance. It doe not need to shear the material feeding bag by a scissors when materials is fed, so that it avoids generation of metal debris, and the mating and feeding material operation is fast and simple, and the working environment for an operator is improved.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: June 12, 2018
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Zhongxin Zhou, Wutang Zhang, Taosheng Zhu, Jian Si, Zhiqiang Lin, Xie Wang
  • MATERIAL FEEDING BAG
    Publication number: 20170275092
    Abstract: The present disclosure provides a material feeding bag which comprises an inner bag. The inner bag has: an inner bag upper port portion, an inner bag main receiving portion and an inner bag lower port portion. The inner bag upper port portion has an upper port; the inner bag main receiving portion is connected to a lower end of the inner bag upper port portion along an axial direction; the inner bag lower port portion is connected to a lower end of the inner bag main receiving portion along the axial direction and has a lower port for controllable communication with an external hopper entrance. It doe not need to shear the material feeding bag by a scissors when materials is fed, so that it avoids generation of metal debris, and the mating and feeding material operation is fast and simple, and the working environment for an operator is improved.
    Type: Application
    Filed: March 13, 2017
    Publication date: September 28, 2017
    Inventors: Zhongxin ZHOU, Wutang ZHANG, Taosheng ZHU, Jian SI, Zhiqiang LIN, Xie WANG
  • Methods and intermediates for preparing pharmaceutical agents
    Patent number: 9428473
    Abstract: The invention provides methods and intermediates that are useful for preparing a compound of formula I: and salts thereof.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: August 30, 2016
    Assignee: Gilead Sciences, Inc.
    Inventors: Richard Polniaszek, Steven Pfeiffer, Richard Yu, Aaron Cullen, Eric Dowdy, Duong Tran, Kenneth Kent, Zhongxin Zhou, Douglas Cordeau, Leah Easton-Scott
  • METHODS AND INTERMEDIATES FOR PREPARING PHARMACEUTICAL AGENTS
    Publication number: 20160002186
    Abstract: The invention provides methods and intermediates that are useful for preparing a compound of formula I: and salts thereof.
    Type: Application
    Filed: July 14, 2015
    Publication date: January 7, 2016
    Inventors: Richard Polniaszek, Steven Pfeiffer, Richard Yu, Aaron Cullen, Eric Dowdy, Duong Tran, Kenneth Kent, Zhongxin Zhou, Douglas Cordeau, Leah Easton-Scott
  • Roller-Press Apparatus
    Publication number: 20150360268
    Abstract: The present disclosure provides a roller-press apparatus, which comprises: an unwinding mechanism around which an electrode plate to be rolled is wound, the electrode plate has a foil and a coating layer, the foil has at least a coated area and a blank foil area, the foil is provided with the coating layer at the coated area and is not provided with the coating layer at the blank foil area; a rolling mechanism; and a stretching mechanism. The stretching mechanism comprises: two guide rollers; and an uneven roller positioned between the two guide rollers, and forming a wrap angle with the two guide rollers, the uneven roller matches the electrode plate in size to allow a protruding portion of the uneven roller to act on the foil at the blank foil area, so as to allow the foil at the blank foil area to be plastically deformed.
    Type: Application
    Filed: December 17, 2014
    Publication date: December 17, 2015
    Inventors: Zhongxin ZHOU, Jianfu Qiu, Zilong Shao, Binbin Guo, Ping He, Cong Li, Jianqun Xiong
  • Methods and intermediates for preparing pharmaceutical agents
    Patent number: 9115100
    Abstract: The invention provides methods and intermediates that are useful for preparing a compound of formula I: and salts thereof.
    Type: Grant
    Filed: September 3, 2014
    Date of Patent: August 25, 2015
    Assignee: Gilead Sciences, Inc.
    Inventors: Richard Polniaszek, Steven Pfeiffer, Richard Yu, Aaron Cullen, Eric Dowdy, Duong Tran, Kenneth Kent, Zhongxin Zhou, Doug Cordeau, Leah Easton-Scott
  • METHODS AND INTERMEDIATES FOR PREPARING PHARMACEUTICAL AGENTS
    Publication number: 20150005493
    Abstract: The invention provides methods and intermediates that are useful for preparing a compound of formula I: and salts thereof.
    Type: Application
    Filed: September 3, 2014
    Publication date: January 1, 2015
    Inventors: Richard POLNIASZEK, Steven PFEIFFER, Richard YU, Aaron CULLEN, Eric DOWDY, Duong TRAN, Kenneth KENT, Zhongxin ZHOU, Doug CORDEAU, Leah EASTON-SCOTT
  • Methods and intermediates for preparing pharmaceutical agents
    Patent number: 8853210
    Abstract: The invention provides methods and intermediates that are useful for preparing a compound of formula I: and salts thereof.
    Type: Grant
    Filed: June 24, 2013
    Date of Patent: October 7, 2014
    Assignee: Gilead Sciences, Inc.
    Inventors: Richard Polniaszek, Steven Pfeiffer, Richard Yu, Aaron Cullen, Eric Dowdy, Duong Tran, Kenneth Kent, Zhongxin Zhou, Doug Cordeau, Leah Easton-Scott
  • METHODS AND INTERMEDIATES FOR PREPARING PHARMACEUTICAL AGENTS
    Publication number: 20140088304
    Abstract: The invention provides methods and intermediates that are useful for preparing a compound of formula I: and salts thereof.
    Type: Application
    Filed: June 24, 2013
    Publication date: March 27, 2014
    Applicant: Gilead Sciences, Inc.
    Inventors: Richard Poliniaszek, Steven Pfeiffer, Richard Yu, Aaron Cullen, Eric Dowdy, Duong Tran, Kenneth Kent, Zhongxin Zhou, Doug Cordeau, Leah Easton
  • Methods and intermediates for preparing pharmaceutical agents
    Patent number: 8497396
    Abstract: The invention provides methods and intermediates that are useful for preparing a compound of formula I: and salts thereof.
    Type: Grant
    Filed: April 1, 2010
    Date of Patent: July 30, 2013
    Assignee: Gilead Sciences, Inc.
    Inventors: Richard Polniaszek, Steven Pfeiffer, Richard Yu, Aaron Cullen, Eric Dowdy, Duong Tran, Kenneth Kent, Zhongxin Zhou, Doug Cordeau, Leah Easton
  • METHODS AND INTERMEDIATES FOR PREPARING PHARMACEUTICAL AGENTS
    Publication number: 20100256366
    Abstract: The invention provides methods and intermediates that are useful for preparing a compound of formula I: and salts thereof.
    Type: Application
    Filed: April 1, 2010
    Publication date: October 7, 2010
    Inventors: Richard Polniaszek, Steven Pfeiffer, Richard Yu, Aaron Cullen, Eric Dowdy, Duong Tran, Kenneth Kent, Zhongxin Zhou, Doug Cordeau, Leah Easton