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For the Inventor, By the Inventor

The Hague, Netherlands

Willem Groenendaal

This inventor holds 5 USPTO granted patents. Top assignee: Shell Oil Comapny. Active years: 1976-1981.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Willem Groenendaal. Retrieved from https://idiyas.com/inventor/willem-groenendaal

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

Calculating rank
USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 5

Forward Citations = 74(Granted Patents)


Company Filing History:

goldMedal5 out of 7,646 
 
Shell Oil Comapny
 patents

Years Active: 1976-1981

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5 patents (USPTO):Explore Patents
1. 4263270 - Process for working-up hydrogen sulphide-containing gases (1981-04-21),
2. 4004885 - Removal of sulfur oxides and particulate matter from waste gas streams (1977-01-25),
3. 4001386 - Process for H.sub.2 S removal employing a regenerable polyalkanolamine (1977-01-04),
4. 3966879 - Removal of sulfur oxides and particulate matter from waste gas streams (1976-06-29),
5. 3947547 - Process for reducing total sulfur content of claus off-gases (1976-03-30),

Title: Willem Groenendaal: Innovator in Gas Processing Technologies

Introduction

Willem Groenendaal is a notable inventor based in The Hague, Netherlands. He has made significant contributions to the field of gas processing, particularly in the treatment of hydrogen sulfide-containing gases. With a total of 5 patents to his name, Groenendaal's work has had a substantial impact on environmental technology.

Latest Patents

Groenendaal's latest patents include innovative processes aimed at improving gas treatment methods. One of his key inventions is a process for working up hydrogen sulfide-containing gases. This process involves a CO₂-selective secondary absorption-desorption procedure, which allows a portion of the feed gases to bypass the Claus unit. Another significant patent focuses on the removal of sulfur oxides and particulate matter from waste gas streams. This apparatus is designed for cross-current contacting of waste gas with a moving bed of acceptor for sulfur oxides, featuring separate processing chambers for the removal of particulate matter and sulfur oxides.

Career Highlights

Willem Groenendaal has had a distinguished career at Shell Oil Company, where he has been instrumental in developing advanced gas processing technologies. His expertise in environmental engineering has positioned him as a leader in the field, contributing to more sustainable industrial practices.

Collaborations

Throughout his career, Groenendaal has collaborated with esteemed colleagues, including Gijsbertus A Bekker and Friedrich C Taubert. These partnerships have fostered innovation and have led to the successful development of several patented technologies.

Conclusion

Willem Groenendaal's contributions to gas processing technologies reflect his commitment to innovation and environmental sustainability. His patents continue to influence the industry, showcasing the importance of advanced solutions in addressing 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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