Company Filing History:
6 out of 34 
1 out of 28 
1 out of 1 Years Active: 1976-2000
Title: Innovations of Norman E Harthun
Introduction
Norman E Harthun is a notable inventor based in San Carlos, CA (US). He holds a total of 9 patents that showcase his contributions to the field of heating technology. His innovative designs focus on improving efficiency and reducing emissions in heating systems.
Latest Patents
One of Harthun's latest patents is a gas-fired heater designed for a cup-making machine. This invention features a combustion chamber and a venturi block that enhances the efficiency of gas combustion. The design includes an air inlet nozzle aligned with the venturi passage and an annular gas ring to direct gas into the venturi passage. Additionally, a discharge nozzle is mounted on the outer end of the combustion chamber, along with a metal matt assembly that includes perforated mixing plates. A spark plug is also integrated into the combustion chamber to ignite the gas/air mixture before the heated air is discharged into the machine.
Another significant patent is the method of operating a wall-fired duct heater. This heater is designed to heat gases, such as turbine exhaust gases, to extract heat energy while reducing corrosiveness. The design incorporates burners installed on the walls of the duct, which can operate with heavy fuel oil. The flame produced is long and narrow, directed transversely to the gas flow, ensuring efficient heating and preventing hot spots downstream.
Career Highlights
Throughout his career, Harthun has worked with several companies, including Coen Company, Inc. and Paper Machinery Corporation. His experience in these organizations has contributed to his expertise in heating technologies and innovations.
Collaborations
Harthun has collaborated with notable individuals in the industry, including Ralph R Vosper and Chester S Binasik. These collaborations have likely influenced his work and contributed to his success as an inventor.
Conclusion
Norman E Harthun's innovative patents and career achievements highlight his significant contributions to heating technology. His work continues to impact the industry, showcasing the importance of innovation in improving efficiency and reducing emissions.