Owasso, OK, United States of America

John A Hamshar

This inventor holds 10 USPTO granted patents, plus 1 CIPO patent. Top assignees: Canadian Occidental Petroleum Ltd., Cities Service Company. Active years: 1983-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John A Hamshar. Retrieved from https://idiyas.com/inventor/john-a-hamshar

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 = 3.4

ph-index = 8

Forward Citations = 768(Granted Patents)


Company Filing History:


Years Active: 1983-1994

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10 patents (USPTO):Explore Patents

Title: The Innovative Contributions of John A. Hamshar

Introduction

John A. Hamshar is a notable inventor based in Owasso, Oklahoma, recognized for his significant contributions to the field of hydrocarbon recovery and emulsion technology. With a total of 10 patents to his name, Hamshar has developed innovative processes that enhance the efficiency of hydrocarbon extraction and processing.

Latest Patents

One of Hamshar's latest patents is a process for the recovery of hydrocarbons and rejection of sand. This process is designed for operation at a mine site and involves mixing a chemical additive with a hydrocarbon-bearing sand to form a slurry. The chemical composition includes an aqueous phase and various chemical agents, which are conditioned and aerated to produce sludge-free tailings and a mixture of hydrocarbon, aqueous phase, and residual solids. Another significant patent is for preparing a water continuous emulsion from heavy crude, which includes a method for creating a double emulsion, showcasing his expertise in complex chemical processes.

Career Highlights

Throughout his career, Hamshar has worked with prominent companies in the petroleum industry, including Canadian Occidental Petroleum Ltd. and Cities Service Company. His experience in these organizations has contributed to his understanding of hydrocarbon processes and the development of his patented technologies.

Collaborations

Hamshar has collaborated with notable professionals in his field, including Armand A. Gregoli and Daniel P. Rimmer. These collaborations have likely enriched his work and led to advancements in the technologies he has developed.

Conclusion

John A. Hamshar's innovative work in hydrocarbon recovery and emulsion technology has made a significant impact in the industry. His patents reflect a deep understanding of chemical processes and a commitment to improving extraction methods. His contributions continue to influence the field and pave the way for future advancements.

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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