Patents by Inventor Hua HAI

Hua HAI 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: 10294199
    Abstract: A class of propyl cationic peptide lipids is propyl cationic peptide lipid compounds having a general formula structure as follows. After the propyl cationic peptide lipids are dispersed in water, a cationic liposome with a particle size of approximately 100 nm is obtained. The cationic liposome can carry plasmid DNA (pDNA) or small interfering RNA (siRNA) into cells to realize the function of gene delivery, and is almost non-toxic to the cells.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: May 21, 2019
    Assignee: DALIAN NATIONALITIES UNIVERSITY
    Inventors: Shubiao Zhang, Yinan Zhao, Shaohui Cui, Defu Zhi, Hua Hai
  • Publication number: 20170355667
    Abstract: A class of propyl cationic peptide lipids is propyl cationic peptide lipid compounds having a general formula structure as follows. After the propyl cationic peptide lipids are dispersed in water, a cationic liposome with a particle size of approximately 100 nm is obtained. The cationic liposome can carry plasmid DNA (pDNA) or small interfering RNA (siRNA) into cells to realize the function of gene delivery, and is almost non-toxic to the cells.
    Type: Application
    Filed: June 25, 2015
    Publication date: December 14, 2017
    Inventors: Shubiao ZHANG, Yinan ZHAO, Shaohui CUI, Defu ZHI, Hua HAI
  • Publication number: 20150089989
    Abstract: A metal forming head (113) is disclosed which includes a die (124) with a stamping portion (130), and a die holder (126) with a hole (136) therethrough. At least part of the stamping portion (130) of the die (124) is receivable through the hole (136) of the die holder (126). A bottom surface (144) of the die holder (126) which faces away from the die (124) is being adapted to abut a major surface (38a) of a sheet of metal (36). The die (124) is movable relative to an abutment part (138) of the die holder (126) to form the sheet of metal (36).
    Type: Application
    Filed: September 27, 2013
    Publication date: April 2, 2015
    Applicant: Gainteam Holdings Limited
    Inventors: Howard Ho Yin CHAN, Chung Yin AU, Wan Hong BAO, Zhen Qi LI, Hua Hai ZHAI, Bai Jun LI, Yi CAO
  • Publication number: 20150008633
    Abstract: A holder (13, 13a, 13b, 13c, 13d) for holding a sheet of metal (36) is disclosed which includes a base (40) for engaging with part of a first major surface (38b) of the sheet of metal (36) and a cover (50) for engaging with part of a second major surface (38a) of the sheet of metal (36). The base (40) and the cover (50) are engageable with each other to hold the sheet of metal (36) therebetween.
    Type: Application
    Filed: September 27, 2013
    Publication date: January 8, 2015
    Applicant: Gainteam Holdings Limited
    Inventors: Howard Ho Yin CHAN, Chung Yin AU, Wan Hong BAO, Zhen Qi LI, Hua Hai ZHAI, Bai Jun LI, Yi CAO
  • Patent number: D618833
    Type: Grant
    Filed: May 21, 2009
    Date of Patent: June 29, 2010
    Assignee: American Tack & Hardware Co., Inc.
    Inventor: Hua Hai Wei