Patents by Inventor Keith Patrick Zammit

Keith Patrick Zammit 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 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