Patents Assigned to Topp Intellectual Properties, Inc.
  • Patent number: 6880549
    Abstract: A combustion system for a portable forced air heater having two frusta-conical sections attached to a circular burner tube, wherein each frusta-conical section has pre-determined vent hole patterns that allow the gas heater to have a variable burn rate.
    Type: Grant
    Filed: January 26, 2004
    Date of Patent: April 19, 2005
    Assignee: Topp Intellectual Properties, Inc.
    Inventor: Daniel P. Topp