Patents by Inventor Chen & Chen, LLC

Chen & Chen, LLC 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).

  • Publication number: 20130040830
    Abstract: A sample testing vessel may include a flexible plastic tube and a self-sealing injection channel. The flexible plastic tube may have a seal defining a first compartment and a second compartment, wherein the seal comprises a pressure gate providing a fluid-tight seal between first and second compartments and opening upon application of a threshold pressure. The injection channel may be normally substantially free of fluid and capable of fluid communication with the tubule.
    Type: Application
    Filed: October 12, 2012
    Publication date: February 14, 2013
    Applicant: CHEN & CHEN, LLC
    Inventor: Chen & Chen, LLC