Patents Assigned to Edward Duggan
  • Heater
    Patent number: 6154606
    Abstract: A radiant heater mounting heating elements in a sealed housing with a ceramic heat transmitting wall. A fan is mounted in the housing to cool the heating elements and in practice provide additional heat. There are also vent assemblies which prevent water such as rainwater or even water from, for example, a hose entering into the heater and causing failure.
    Type: Grant
    Filed: May 20, 1999
    Date of Patent: November 28, 2000
    Assignees: Edward Duggan, Michael Francis Carney
    Inventors: Christian Guy Naylor Shaw, James Gerard Tangney