Patents by Inventor Richard L. Stewart

Richard L. Stewart 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 handling unit with integral inner wall features
    Patent number: 11920822
    Abstract: An air handling unit has an interior wall configured to selectively retain a removable component of the air handling unit. An air handling unit has an interior wall configured as a drain pan. An air handling unit has an outer skin joined to the interior wall, an insulator disposed between the interior wall and the outer skin, and the interior wall has a mounting channel configured to selectively retain a removable component of the air handling unit.
    Type: Grant
    Filed: December 22, 2022
    Date of Patent: March 5, 2024
    Assignee: Trane International Inc.
    Inventors: Jeffrey L. Stewart, Mark Hudgins, Richard Lee Jameson, Keith Adam Novak, Leslie Zinger
  • Apparatus for releasably retaining a confection stick
    Patent number: 4507070
    Abstract: An apparatus for releasably retaining a confection stick in a machine during at least a portion of a process for forming a confection on a stick comprises an extractor member having a slot extending therethrough for receiving a confection stick. A one piece plastic retainer member is positioned proximate the slot for engaging and retaining a confection stick which is received within the slot.
    Type: Grant
    Filed: January 13, 1984
    Date of Patent: March 26, 1985
    Assignee: Popsicle Industries, Inc.
    Inventors: Robert G. Armstrong, Richard L. Stewart