Patents by Inventor Leo Hirth

Leo Hirth 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).

  • Cooling Tower Tray
    Publication number: 20170319999
    Abstract: A cooling tower tray. The cooling tower tray has a base with a first end, second end, and opposing sides. Multiple sidewalls attached to the base and extending upwards from the first end, second end, and opposing sides. The sidewalls and base form an interior volume with an open upper end. One or more of the sidewalls are a perforated sidewall with multiple apertures. A filter rests within the interior volume. Some embodiments have a handle attached to a sidewall.
    Type: Application
    Filed: May 3, 2017
    Publication date: November 9, 2017
    Inventors: Daniel Hirth, Antonio J. Hirth, Leo A. Hirth
  • Air conditioning device for switchgear cabinets
    Publication number: 20100114377
    Abstract: The invention relates to an air conditioning device for switchgear cabinets, wherein the air conditioning device, which is located in a case, is arranged in constructional proximity to a switchgear cabinet and an air circulation between the switchgear cabinet and the air conditioning device is allowed by means of openings directed to the switchgear cabinet. According to the invention the air conditioning device can be operated in three different modes, which allow an active cooling, a passive cooling and a heating of the circulating air.
    Type: Application
    Filed: January 16, 2009
    Publication date: May 6, 2010
    Applicant: Seifert mtm Systems Malta Ltd.
    Inventors: Michael Rudi Seifert, Keith Patrick Zammit, Leo Hirth