Grand Forks, ND, United States of America

Douglas R Hajicek

This inventor holds 1 USPTO granted patent. Top assignee: Energy & Environmental Research Center Foundation. Active years: 1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Douglas R Hajicek. Retrieved from https://idiyas.com/inventor/douglas-r-hajicek

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 21(Granted Patents)


Company Filing History:


Years Active: 1996

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1 patent (USPTO):Explore Patents

Title: Douglas R Hajicek: Innovator in Controlled Spontaneous Reactor Systems

Introduction

Douglas R Hajicek is a notable inventor based in Grand Forks, ND (US). He has made significant contributions to the field of energy and environmental research. His innovative work focuses on improving the quality of solid fuels through advanced reactor systems.

Latest Patents

Hajicek holds a patent for a Controlled Spontaneous Reactor System. This invention outlines a process for enhancing the overall quality of coals and other solid fuels. The system utilizes a controlled, spontaneous, fluidized bed reactor that optimizes the treatment of solid fuels. The unique geometry of the bed system, combined with a sophisticated control system, allows for a higher velocity region where the fluidizing gas and fuel are introduced. The treated coal is withdrawn at an intermediate point, ensuring effective processing. The system can operate in either a drying mode or a devolatilization mode, allowing for precise control over volatiles, moisture, and fines.

Career Highlights

Hajicek is associated with the Energy & Environmental Research Center Foundation, where he applies his expertise in reactor systems. His work has contributed to advancements in energy efficiency and environmental sustainability.

Collaborations

Throughout his career, Hajicek has collaborated with esteemed colleagues, including Stanley J Selle and Michael D Mann. These partnerships have fostered innovation and enhanced research outcomes in their field.

Conclusion

Douglas R Hajicek's contributions to the development of controlled spontaneous reactor systems exemplify his commitment to improving energy solutions. His innovative patent and collaborative efforts highlight his role as a key figure in the field of energy and environmental research.

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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