Patents by Inventor Lujun Ji

Lujun Ji 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).

  • Fluid rheology measurement using a funnel apparatus
    Patent number: 9891152
    Abstract: Methods for determining fluid rheology, the methods including determining a first discharged volume or weight of a fluid at a first time, determining at least a second discharged volume or weight of the fluid at a second time, and calculating fluid rheology based on the determined first and at least second discharged fluid volumes or weights at the first and second times.
    Type: Grant
    Filed: October 7, 2010
    Date of Patent: February 13, 2018
    Assignee: M-I L.L.C.
    Inventors: Quanxin Guo, Cong Wang, Thomas Geehan, Lujun Ji
  • Fluid Rheology Measurement Using a Funnel Apparatus
    Publication number: 20120203463
    Abstract: Methods for determining fluid rheology, the methods including determining a first discharged volume or weight of a fluid at a first time, determining at least a second discharged volume or weight of the fluid at a second time, and calculating fluid rheology based on the determined first and at least second discharged fluid volumes or weights at the first and second times.
    Type: Application
    Filed: October 7, 2010
    Publication date: August 9, 2012
    Inventors: Quanxin Guo, Cong Wang, Thomas Geehan, Lujun Ji