Lisle, IL, United States of America

William H Sun

This inventor holds 22 USPTO granted patents and 1 published patent application and 3 EPO patents, primarily in Nitrogen Oxides Reduction. Top assignees: Fuel Tech, Inc., Nalco Fuel Tech. Active years: 1990-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: William H Sun. Retrieved from https://idiyas.com/inventor/william-h-sun

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

Calculating rank
USPTO Granted Patents = 22 

% Patents Active = 77.3

 

Average Co-Inventor Count = 3.1

ph-index = 11

Forward Citations = 261(Granted Patents)


Location History:

  • Wallingford, CT (US) (1990 - 1991)
  • Aurora, IL (US) (1991 - 1993)
  • Naperville, IL (US) (1994 - 1999)
  • Lisle, IL (US) (2006 - 2022)

Company Filing History:


Years Active: 1990-2022

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Areas of Expertise:
Ammonia Gas Generation
Nitrogen Oxides Reduction
Thermal Decomposition
Selective Catalytic Reduction
Corrosion Control
Gas Turbines
Hybrid Process
Slag Management
Urea Gasification
Low Temperature Process
Catalytic Process
Non-Catalytic Process
22 patents (USPTO):Explore Patents

Title: **William H. Sun: Innovative Mind in Ammonia Gas Generation and Combustion Efficiency**

Introduction

William H. Sun, based in Lisle, Illinois, is an accomplished inventor with a remarkable portfolio consisting of 22 patents. His innovative work primarily focuses on processes that enhance efficiency in ammonia generation and combustion technologies.

Latest Patents

Among his latest inventions is a patent for a controlled, compact, on-demand ammonia gas generation process and apparatus. This innovative invention outlines methods and compact apparatus for producing ammonia from urea through gasification. The process efficiently controls the flows of aqueous urea solution and hot gas, leading to complete gasification. The resulting gas mixture contains ammonia alongside other compounds, and further processing is done using a catalyst bed to convert isocyanic acid to ammonia. The design accounts for back pressure to isolate the gasification chamber from downstream turbulence, facilitating continuous operation with precise control.

In addition, William H. Sun has also developed a process relevant to the combustion industry for controlling the injection of magnesium oxide to reduce sulfur trioxide concentration during combustion. This invention focuses on optimizing efficiency while utilizing vanadium and sulfur-containing fuels by strategically managing the introduction of magnesium oxide at various temperatures.

Career Highlights

William H. Sun's career includes significant tenures at Fuel Tech, Inc. and Nalco Fuel Tech, where he applied his expertise in innovative combustion solutions and ammonia generation techniques. His deep understanding of chemical processes and engineering has allowed him to contribute to advancements in environmental efficiency and sustainability.

Collaborations

Throughout his career, William has collaborated with notable individuals in the industry, including John M. Boyle and John E. Hofmann. These collaborations have further enriched his work, leading to groundbreaking advancements in his fields of expertise.

Conclusion

William H. Sun continues to be a leading inventor, making strides in innovation with his patented technologies focused on ammonia generation and combustion efficiency. His contributions significantly enhance industrial processes, showcasing the importance of innovation in addressing contemporary environmental challenges.

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]
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