Patents by Inventor Rienk Tuin

Rienk Tuin 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).

  • Automatic valve characterization of digital valve positioners
    Patent number: 7178783
    Abstract: A digital valve positioner is controlled to automatically characterize a valve to provide a linear relationship between the valve control signal and the amount of flow.
    Type: Grant
    Filed: October 10, 2003
    Date of Patent: February 20, 2007
    Assignee: Saudi Arabian Oil Company
    Inventors: Rienk Tuin, Patrick S. Flanders
  • Automatic valve characterization of digital valve positioners
    Publication number: 20060118745
    Abstract: A digital valve positioner is controlled to automatically characterize a valve to provide a linear relationship between the valve control signal and the amount of flow.
    Type: Application
    Filed: October 10, 2003
    Publication date: June 8, 2006
    Inventors: Rienk Tuin, Patrick Flanders