Patents by Inventor Hoi Ling Cheng

Hoi Ling Cheng 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).

  • Multi-material seal having a seal body and core
    Patent number: 9863536
    Abstract: A system may include a seal including a seal body having an exterior with a seal interface. Additionally, the system may include a core disposed internally within and surrounded by the seal body. A gas permeability of the core may be less than a gas permeability of the seal body, a coefficient of thermal expansion of the core may be less than a coefficient of thermal expansion of the seal body, or a combination thereof.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: January 9, 2018
    Assignee: ONESUBSEA IP UK LIMITED
    Inventors: Hoi Ling Cheng, Bryan Matthew Tu
  • MULTI-MATERIAL SEAL HAVING A SEAL BODY AND CORE
    Publication number: 20170191565
    Abstract: A system may include a seal including a seal body having an exterior with a seal interface. Additionally, the system may include a core disposed internally within and surrounded by the seal body. A gas permeability of the core may be less than a gas permeability of the seal body, a coefficient of thermal expansion of the core may be less than a coefficient of thermal expansion of the seal body, or a combination thereof.
    Type: Application
    Filed: December 30, 2015
    Publication date: July 6, 2017
    Inventors: Hoi Ling Cheng, Bryan Matthew Tu