Patents by Inventor Allan T. Kirkpatrick

Allan T. Kirkpatrick 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).

  • Air diffuser having fixed and variable outlet ports
    Patent number: 5569078
    Abstract: A diffuser introduces air into a conditioned space to obtain a desired indoor atmospheric environment. The diffuser has a diffuser body and an inlet through the diffuser body. The inlet has an inlet area to receive the air within the diffuser. The diffuser has a primary outlet through the diffuser body. The primary outlet has a fixed primary area to direct air from within the diffuser into the conditioned space. The diffuser has a secondary outlet through the diffuser body. The secondary outlet is provided to direct the air from within the diffuser into the conditioned space. The secondary outlet has a secondary area that is adjustable in size between a predetermined minimum secondary area and a predetermined maximum secondary area. The predetermined minimum area may be chosen to be zero to provide for a fully closed secondary outlet when the secondary area is adjusted to its minimum area. The diffuser may be implemented with a plurality of primary outlets and a plurality of secondary outlets.
    Type: Grant
    Filed: March 6, 1995
    Date of Patent: October 29, 1996
    Assignee: Colorado State University Research Foundation
    Inventor: Allan T. Kirkpatrick