Elk Grove Village, IL, United States of America

Harlan L Feldkirchner

This inventor holds 1 USPTO granted patent. Top assignee: Institute of Gas Technology. Active years: 1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Harlan L Feldkirchner. Retrieved from https://idiyas.com/inventor/harlan-l-feldkirchner

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 1985

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1 patent (USPTO):Explore Patents

Title: Harlan L Feldkirchner: Innovator in Hydrogen Production from Oil Shale

Introduction

Harlan L Feldkirchner is a notable inventor based in Elk Grove Village, IL (US). He has made significant contributions to the field of hydrogen production, particularly through his innovative processes involving oil shale. His work has implications for energy efficiency and sustainability.

Latest Patents

Harlan L Feldkirchner holds a patent for the "Production of hydrogen from oil shale." This patent describes a process for producing hydrogen from oil shale fines by directly introducing the oil shale fines into a fluidized bed at temperatures ranging from about 1200°F to about 2000°F. The process allows for rapid heating of the oil shale, utilizing steam and oxygen to fluidize the bed. The steam is introduced in a weight ratio of about 0.1 to about 10 based on the organic carbon content of the oil shale, while the oxygen is introduced in less than the stoichiometric quantity for complete combustion of the organic carbonaceous kerogen content. The invention also includes embodiments for heat recovery from spent shale and product gas, enhancing overall process efficiency by more than 15 percent.

Career Highlights

Harlan L Feldkirchner is associated with the Institute of Gas Technology, where he has been instrumental in advancing research and development in gas technologies. His innovative approach to hydrogen production has positioned him as a key figure in the energy sector.

Collaborations

Harlan has collaborated with notable colleagues such as Frank C Schora and John C Janka. Their combined expertise has contributed to the success of various projects and advancements in the field.

Conclusion

Harlan L Feldkirchner's contributions to hydrogen production from oil shale represent a significant advancement in energy technology. His innovative processes not only enhance efficiency but also pave the way for more sustainable energy solutions.

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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