Patents Assigned to Donaldsom Company, Inc.
  • Filter assemblies and systems for intake air for fuel cells
    Patent number: 7416580
    Abstract: A filter assembly for removing particulate contaminants and chemical contaminants from an incoming dirty air stream for a fuel cell. The filter assembly also includes a noise suppression element that reduces sound waves or noise emanating from any equipment, such as a compressor. The filter assembly can include a particulate filter portion for removing physical or particulate contaminants, a chemical filter portion for removing chemical contaminants, or can have both portions.
    Type: Grant
    Filed: February 7, 2005
    Date of Patent: August 26, 2008
    Assignee: Donaldsom Company, Inc.
    Inventors: William Nyman, Randy Bourget, Staffan Linnersten, Donald H. White