Rolling Hills Estates, CA, United States of America

Joseph A Marsi

This inventor holds 4 USPTO granted patents. Top assignees: Bw/ip International, Inc., Flowserve Management Company. Active years: 1991-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Joseph A Marsi. Retrieved from https://idiyas.com/inventor/joseph-a-marsi

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 = 1.1

ph-index = 4

Forward Citations = 70(Granted Patents)


Location History:

  • Rancho Palos Verdes, CA (US) (1991)
  • Palos Verdes, CA (US) (1996)
  • Rolling Hills Estates, CA (US) (1996 - 1999)

Company Filing History:


Years Active: 1991-1999

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4 patents (USPTO):Explore Patents

Title: Innovator Joseph A. Marsi: Pioneering Mechanical Face Seal Solutions

Introduction

Joseph A. Marsi, an accomplished inventor based in Rolling Hills Estates, California, has made significant contributions to the field of mechanical engineering with a focus on innovative sealing technologies. With a total of four patents to his name, Marsi's work exemplifies the intersection of engineering ingenuity and practical application in fluid handling systems.

Latest Patents

Among Joseph A. Marsi's notable patents are the groundbreaking "Split Mechanical Face Seal and Method of Assembly Thereof" and the "Backup Seal for Axial Face Seal." The split mechanical face seal comprises two holder halves designed for mounting around a shaft, featuring counterbores that house seal face halves. Each half is equipped with resilient mounting and biasing mechanisms to ensure effective sealing and reliable operation. The second patent, the backup seal, is designed for fluid handling machines, employing a dual annular portion system that engages to create a secure seal under varying fluid pressures.

Career Highlights

Throughout his career, Joseph A. Marsi has been associated with prominent companies where his expertise has played a pivotal role in product development. He has worked at Bw/IP International, Inc. and Flowserve Management Company. His inventive contributions have not only advanced technology but have also enhanced operational efficiency within the industries he has served.

Collaborations

Joseph has had the opportunity to collaborate with colleagues such as Milton E. Cook, whose partnership has likely facilitated the development and refinement of innovative sealing solutions. These collaborations reflect the synergy achieved in the inventor community and highlight the importance of teamwork in fostering groundbreaking advancements.

Conclusion

Joseph A. Marsi's innovations in mechanical face seals exemplify his commitment to improving engineering solutions. His patents, especially focusing on sealing mechanisms, underscore his role as a key player in advancing fluid handling technology. As he continues to innovate, his contributions will undoubtedly shape the future of mechanical engineering and sealing technologies.

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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