Patents by Inventor Quang (Tim) Nguyen

Quang (Tim) Nguyen 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: 20160049059
    Abstract: A system detects presence of particles in the air of guest rooms of facilities such as motels and hotels for example that indicate that guests are engaged in recreational smoking. The system provides an indication to the facility manager of such behavior.
    Type: Application
    Filed: August 18, 2015
    Publication date: February 18, 2016
    Inventors: Christopher E. Engelmann, Kevin Nicholson, Quang (Tim) Nguyen, Kelvin A. Kosbab, Michael J. Masek, Jeffrey R. Frank
  • Patent number: 9111426
    Abstract: A system detects presence of particles in the air of guest rooms of facilities such as motels and hotels for example that indicate that guests are engaged in recreational smoking. The system provides an indication to the facility manager of such behavior.
    Type: Grant
    Filed: July 8, 2013
    Date of Patent: August 18, 2015
    Assignee: SFJC, LLC
    Inventors: Christopher E. Engelmann, Kevin Nicholson, Quang (Tim) Nguyen, Kelvin A. Kosbab, Michael J. Masek, Jeffrey R. Frank
  • Publication number: 20140015681
    Abstract: A system detects presence of particles in the air of guest rooms of facilities such as motels and hotels for example that indicate that guests are engaged in recreational smoking. The system provides an indication to the facility manager of such behavior.
    Type: Application
    Filed: July 8, 2013
    Publication date: January 16, 2014
    Inventors: Christopher E. Engelmann, Kevin Nicholson, Quang (Tim) Nguyen, Kelvin A. Kosbab, Michael J. Masek, Jeffrey R. Frank