Patents by Inventor Kathryn A. Guy

Kathryn A. Guy 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).

  • Ammonia sequestering system
    Patent number: 10202287
    Abstract: The present invention is an ammonia sequestering system including a system controller connected to a plurality of flow control valves, a feed stream extending through a system inlet, and a system outlet. The feed stream is a liquid contaminated with ammonia. At least one exchange column is located between the system inlet and the system outlet. The ion column includes an ion exchange material, a column inlet connected to one of the flow control valves, and a column outlet connected to another of the flow control valves. The system also includes a regenerant stream of an aqueous solution of sodium cations, as well as an ammonia brine stream made up of the regenerant stream and ammonia.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: February 12, 2019
    Assignee: THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE ARMY
    Inventors: Kathryn A. Guy, Martin Page
  • AMMONIA SEQUESTERING SYSTEM
    Publication number: 20170275186
    Abstract: The present invention is an ammonia sequestering system including a system controller connected to a plurality of flow control valves, a feed stream extending through a system inlet, and a system outlet. The feed stream is a liquid contaminated with ammonia. At least one exchange column is located between the system inlet and the system outlet. The ion column includes an ion exchange material, a column inlet connected to one of the flow control valves, and a column outlet connected to another of the flow control valves. The system also includes a regenerant stream of an aqueous solution of sodium cations, as well as an ammonia brine stream made up of the regenerant stream and ammonia.
    Type: Application
    Filed: March 25, 2016
    Publication date: September 28, 2017
    Inventors: Kathryn A. Guy, Martin Page
  • Case
    Patent number: D447342
    Type: Grant
    Filed: September 14, 2000
    Date of Patent: September 4, 2001
    Assignee: Levenger Company
    Inventors: Phyllis Kathryn Guy, Alex Dolmatsky, Denise Tedaldi