Amsterdam, Netherlands

Petrus W Tjan

This inventor holds 2 USPTO granted patents. Top assignee: Shell Oil Comapny. Active years: 1980.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Petrus W Tjan. Retrieved from https://idiyas.com/inventor/petrus-w-tjan

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 = 2

Forward Citations = 28(Granted Patents)


Company Filing History:


Years Active: 1980

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2 patents (USPTO):Explore Patents

Title: Innovations by Petrus W Tjan

Introduction

Petrus W Tjan is a notable inventor based in Amsterdam, Netherlands. He has made significant contributions to the field of hydrocarbon processing, particularly in the preparation of gas oil. With a total of 2 patents, his work has had a considerable impact on the industry.

Latest Patents

Petrus W Tjan's latest patents include a process for the preparation of gas oil from asphaltines-containing mineral hydrocarbon oil. This innovative process involves a sequence of thermal cracking, flashing, atmospheric fractionation, vacuum fractionation, catalytic cracking, and hydrocracking, along with the recycling of intermediate streams to enhance operational efficiency. Another patent focuses on the preparation of gas oil from residual oils, utilizing a combination of thermal cracking, cyclone separation, vacuum distillation, deasphalting, and atmospheric distillation, while also recycling certain streams.

Career Highlights

Petrus W Tjan is currently associated with Shell Oil Company, where he applies his expertise in hydrocarbon processing. His work has been instrumental in developing efficient methods for gas oil production, contributing to advancements in the energy sector.

Collaborations

Petrus has collaborated with notable colleagues such as Pieter B Kwant and Mohammed Akbar, further enhancing the innovative efforts within his team.

Conclusion

Petrus W Tjan's contributions to the field of hydrocarbon processing through his patents and collaborations highlight his role as a significant inventor in the industry. His work continues to influence advancements in gas oil preparation and processing techniques.

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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