Patents by Inventor David W. Smith, IV

David W. Smith, IV 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: 9789273
    Abstract: An improved patient interface assembly and pressure support system integrate a pressure sensor and a valve into the patient interface assembly and employs closed loop control between the sensor and the valve in order to limit delay between the time at which a condition indicative of abnormal breathing or flow load during normal breathing is experienced by a patient and the time at which altered pressure support is received by the patient.
    Type: Grant
    Filed: May 11, 2012
    Date of Patent: October 17, 2017
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Christopher Scott Lucci, Harol Allen Lockhart, David W. Smith, IV, Nathan Francis O'Connor, Jonathan Sayer Grashow
  • Publication number: 20140069429
    Abstract: An improved patient interface assembly and pressure support system integrate a pressure sensor and a valve into the patient interface assembly and employs closed loop control between the sensor and the valve in order to limit delay between the time at which a condition indicative of abnormal breathing or flow load during normal breathing is experienced by a patient and the time at which altered pressure support is received by the patient.
    Type: Application
    Filed: May 11, 2012
    Publication date: March 13, 2014
    Applicant: KONINKLIJKE PHILIPS N.V.
    Inventors: Christopher Scott Lucci, Harol Allen Lockhart, David W. Smith, IV, Nathan Francis O'Connor, Jonathan Sayer Ggrasshow