Patents by Inventor James K. Briant

James K. Briant 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: 5109797
    Abstract: An exposure system for delivering gaseous material ranging in particle size from 0.4 micrometers to 20.0 micrometers uniformly to the heads of experimental animals, primarily birds. The system includes a vertical outer cylinder and a central chimney with animal holding bottles connected to exposure ports on the vertical outer cylinder.
    Type: Grant
    Filed: August 29, 1990
    Date of Patent: May 5, 1992
    Inventors: James K. Briant, Crystal J. Driver
  • Patent number: 4398498
    Abstract: An exposure chamber includes an imperforate casing having a fluid inlet at the top and an outlet at the bottom. A single vertical series of imperforate trays is provided. Each tray is spaced on all sides from the chamber walls. Baffles adjacent some of the trays restrict and direct the flow to give partial flow back and forth across the chambers and downward flow past the lowermost pan adjacent a central plane of the chamber.
    Type: Grant
    Filed: January 4, 1982
    Date of Patent: August 16, 1983
    Assignee: Hazleton Systems, Inc.
    Inventors: Owen R. Moss, James K. Briant