Frank L Harwath

This inventor holds 15 USPTO granted patents. Top assignees: Suntec Industries Incorporated, Sundstrand Corporation, Suntex Industries Incorporated. Active years: 1977-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Frank L Harwath. Retrieved from https://idiyas.com/inventor/frank-l-harwath

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 15

% Patents Active = 100.0

Average Co-Inventor Count = 1.2

ph-index = 7

Forward Citations = 122(Granted Patents)

Company Filing History:

10 out of 14

Suntec Industries Incorporated

patents

4 out of 1,372

Sundstrand Corporation

patents

1 out of 1

Suntex Industries Incorporated

patent

Years Active: 1977-1997

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5692680 - Fuel supply unit for an oil burner (1997-12-02),

2. 5368068 - Relief valve for the fuel pump of an oil burner (1994-11-29),

3. 5346174 - Spring-biased valve assembly for a gear pump (1994-09-13),

4. 5316457 - Gear pump with improved gear/shaft retention (1994-05-31),

5. 5145328 - Fuel supply unit for an oil burner (1992-09-08),

6. 4958997 - Two-stage gear pump with improved spur gear mounting (1990-09-25),

7. 4898523 - Gear pump with ring-type shaft retainer (1990-02-06),

8. 4858884 - Diaphragm-actuated valve for a gear pump (1989-08-22),

9. 4856553 - Pump with valve adjusting screw (1989-08-15),

10. 4728271 - Gear pump with improved pinion mounting (1988-03-01),

11. 4685871 - Gear pump with means for preventing shaft lock-up (1987-08-11),

12. 4490105 - Fuel supply system for a recirculating fuel burner (1984-12-25),

13. 4391580 - Liquid fuel supply system for an atomization burner nozzle (1983-07-05),

14. 4171939 - Arrangement for mounting a gear on a shaft (1979-10-23),

15. 4021155 - Oil burner pumping system with air purging valve (1977-05-03),

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.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]