Grandville, MI, United States of America

Jeffrey W Zerfas

This inventor holds 4 USPTO granted patents and 3 published patent applications and 6 EPO patents. Top assignees: Richard-Allan Medical Industries, Imagyn Medical Technologies California, Inc., Urohealth, Inc. (California). Active years: 1996-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jeffrey W Zerfas. Retrieved from https://idiyas.com/inventor/jeffrey-w-zerfas

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

USPTO Granted Patents = 4 

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.2

ph-index = 4

Forward Citations = 482(Granted Patents)


Location History:

  • Kalamazoo, MI (US) (1998)
  • Grandville, MI (US) (1996 - 1999)

Company Filing History:


Years Active: 1996-1999

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4 patents (USPTO):Explore Patents

Title: Innovations by Jeffrey W. Zerfas

Introduction

Jeffrey W. Zerfas is an accomplished inventor based in Grandville, MI (US). He holds a total of four patents, showcasing his contributions to the field of medical technology. His innovative designs focus on enhancing surgical procedures and improving patient safety.

Latest Patents

One of his notable patents is a trocar assembly designed for surgical procedures. This trocar includes a cannula that maintains a sealed working channel in a body wall, along with an obturator that creates the working channel while ensuring the safety of both patients and medical personnel. Additionally, he has developed a cannula converter that allows surgeons to use surgical instruments with a smaller outer diameter than the inner diameter of the cannula without deflating a body cavity. Furthermore, a site stabilizer is included in his design to prevent the inadvertent withdrawal of the cannula from the body cavity during surgical procedures.

Career Highlights

Throughout his career, Jeffrey has worked with several companies, including Richard-Allan Medical Industries and Imagyn Medical Technologies California, Inc. His experience in these organizations has contributed to his expertise in medical device innovation.

Collaborations

Jeffrey has collaborated with notable professionals in the field, including David A. Dunlap and Douglas J. Medema. Their teamwork has likely played a significant role in the development of his patented technologies.

Conclusion

Jeffrey W. Zerfas is a prominent inventor whose work in surgical technology has made a significant impact on medical procedures. His innovative patents reflect his commitment to enhancing patient safety and surgical efficiency.

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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