Patents by Inventor John A. Devries

John A. Devries 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: 9965819
    Abstract: School District Administrators have the real-time monitoring of students and school buses during daily school transportation. The IRITRANS® system will provide school districts with real-time bus locations and more importantly the “specific identity of all students on-board”. The system prevents students from becoming lost by boarding or exiting at the wrong assigned bus stop. The iris scanning process is completely mobile from all points of the bus for loading and unloading students with special needs requirements. If a student has a medical emergency the medical history is available to responders for correct treatment. In a hijacking event authorities have access to the real-time GPS location of the bus and the specific identity of students onboard. In the event of a school evacuation, administrators know where the students have been taken and the identity of the students on a specific bus to provide parents. On field trips students are accounted for and not left behind on the return trip.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: May 8, 2018
    Inventor: John DeVries
  • Patent number: 7237283
    Abstract: A frameless, portable, layout hunting blind for use by a sitting or reclining hunter has a frameless floor, an enclosed foot and leg sack for the hunter's legs, a movable flap to cover the hunter's upper body, a collapsible foot sack support to keep the foot sack clear of the hunter's legs, and an air-inflatable head and shoulder rest.
    Type: Grant
    Filed: September 16, 2003
    Date of Patent: July 3, 2007
    Inventor: John A. Devries
  • Publication number: 20050055894
    Abstract: A frameless, portable, layout hunting blind for use by a sitting or reclining hunter has a frameless floor, an enclosed foot and leg sack for the hunter's legs, a movable flap to cover the hunter's upper body, a collapsible foot sack support to keep the foot sack clear of the hunter's legs, and an air-inflatable head and shoulder rest.
    Type: Application
    Filed: September 16, 2003
    Publication date: March 17, 2005
    Inventor: John DeVries
  • Patent number: 5417107
    Abstract: An improved method and capacitance probe arrangement for determining the fluid phase fractions of fluids having differing permitivity such as those of gas, oil, and water and oil-water emulsion in a fluid stream flowing from an oil well which includes trapping the primarily liquid in a vertically disposed chamber. The liquid is held therein to permit separation of the phase fractions to the extent possible within a reasonable time. A number of measurements are taken of the capacitance at a plurality of discrete vertically spaced locations within the chamber. These capacitance measurements relate directly to the varying permittivity of the phase fractions of the various liquids contained therein which may be gas, oil, and water and a oil-water emulsion. The measurements are processed by a data processor to provide precise information on such phase fractions and emulsion interfaces. A number of embodiments of the novel probe are disclosed for determining capacitance at spaced locations within the chamber.
    Type: Grant
    Filed: September 21, 1993
    Date of Patent: May 23, 1995
    Assignee: Paul-Munroe Engineering
    Inventors: Michael P. Biencourt, John A. DeVries