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For the Inventor, By the Inventor

Newburyport, MA, United States of America

Marlen S Clark

This inventor holds 9 USPTO granted patents. Top assignee: A.w. Chesterton Company. Active years: 1993-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Marlen S Clark. Retrieved from https://idiyas.com/inventor/marlen-s-clark

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

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 7

Forward Citations = 103(Granted Patents)


Company Filing History:

goldMedal9 out of 92 
 
A.w. Chesterton Company
 patents

Years Active: 1993-2003

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9 patents (USPTO):Explore Patents
1. 6557856 - Split mechanical face seal (2003-05-06),
2. 6131912 - Split mechanical face seal (2000-10-17),
3. 6068264 - Split mechanical face seal with negative pressure control system (2000-05-30),
4. 6068263 - Split mechanical face seal with resilient pivoting member (2000-05-30),
5. 6059293 - Split mechanical face seal with seal face fluid introducing structure (2000-05-09),
6. 5913520 - Centering devices for a split mechanical seal (1999-06-22),
7. 5725220 - Securing and centering devices for a split mechanical seal (1998-03-10),
8. 5711532 - Securing and centering devices for a split mechanical seal (1998-01-27),
9. 5209496 - Universal seal or packing gland (1993-05-11),

Title: Marlen S Clark: Innovator in Mechanical Face Seal Technology

Introduction

Marlen S Clark is a notable inventor based in Newburyport, MA (US). He has made significant contributions to the field of mechanical engineering, particularly in the development of innovative sealing technologies. With a total of 9 patents to his name, Clark has established himself as a key figure in his industry.

Latest Patents

One of Clark's latest inventions is the split mechanical face seal. This innovative design provides fluid sealing between a housing and a rotating shaft. The seal consists of first and second seal rings, each featuring at least two seal ring segments and a radially extending seal face. The opposing seal ring faces ensure effective sealing, with one seal ring connected to the rotating shaft and the other to the housing. Additionally, a continuous, circumferential groove is formed in the seal face of the first seal ring, allowing for fluid introduction to establish a seal between the two rings. This split face seal is versatile, functioning as both a contacting and a non-contacting mechanical face seal.

Career Highlights

Marlen S Clark is currently associated with A.W. Chesterton Company, where he continues to innovate and develop advanced sealing solutions. His work has been instrumental in enhancing the reliability and efficiency of mechanical systems.

Collaborations

Throughout his career, Clark has collaborated with talented individuals such as Henri V Azibert and Shifeng Wu. These partnerships have contributed to the advancement of sealing technologies and have fostered a collaborative environment for innovation.

Conclusion

Marlen S Clark's contributions to mechanical face seal technology exemplify his dedication to innovation and engineering excellence. His patents and collaborations reflect a commitment to advancing the field and improving mechanical systems.

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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