Company Filing History:
10 out of 14 
4 out of 1,372 
1 out of 1 Years Active: 1977-1997
Title: The Innovative Contributions of Frank L Harwath
Introduction
Frank L Harwath is a notable inventor based in Rockford, IL (US), recognized for his significant contributions to the field of fuel supply systems. With a total of 15 patents to his name, Harwath has made advancements that enhance the efficiency and reliability of oil burners.
Latest Patents
Among his latest patents is the "Fuel supply unit for an oil burner." This invention is designed to provide a consistent flow of fuel oil to an oil burner, regardless of the pressure at the discharge port. The unit features a pump that draws fuel from a storage tank and supplies it under pressure to an outlet chamber. The fuel then flows to the burner through a discharge port, with a metering orifice controlling the flow rate based on the pressure differential. Another significant patent is the "Relief valve for the fuel pump of an oil burner." This relief valve is integrated into the nozzle port of a fuel pump, preventing oil from dripping when the pump is shut down by relieving pressure in the fuel supply line.
Career Highlights
Throughout his career, Harwath has worked with reputable companies such as Suntec Industries Incorporated and Sundstrand Corporation. His experience in these organizations has contributed to his expertise in developing innovative fuel supply solutions.
Collaborations
Harwath has collaborated with notable coworkers, including Dale L Hunsberger and Robert W Erikson, who have also contributed to advancements in the field.
Conclusion
Frank L Harwath's inventions have significantly impacted the efficiency of oil burners, showcasing his dedication to innovation in fuel supply technology. His work continues to influence the industry and improve operational reliability.