Patents by Inventor Zeljko Warga

Zeljko Warga 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).

  • Cooled-door boiler
    Patent number: 6276308
    Abstract: An improved boiler of the warm water or steam type includes a door with a water chamber to assist in cooling the boiler. Water moves from the boiler to the door chamber through a bottom pipe on the connected vessels principle. Water or steam exit the door through a top pipe and return to the boiler. In a warm water boiler, a circulating pump in the upper pipe maintains water flow through the door.
    Type: Grant
    Filed: April 21, 2000
    Date of Patent: August 21, 2001
    Assignee: International Combustion Systems, Inc
    Inventors: Zeljko Warga, Jurij Skorjanc