Long Island, NY, United States of America

David Kalfa

This inventor holds 1 USPTO granted patent and 3 published patent applications. Top assignee: Columbia University. Active years: 2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David Kalfa. Retrieved from https://idiyas.com/inventor/david-kalfa

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

Calculating rank
USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 7.0

ph-index = 1


Company Filing History:


Years Active: 2026

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1 patent (USPTO):Explore Patents

Title: David Kalfa and His Transcatheter Valve Prosthesis

Introduction

David Kalfa is an inventor associated with Columbia University and based in Long Island, New York. His patent work includes a transcatheter dilatable valve prosthesis designed to support the treatment of heart valve conditions.

Latest Patents

Kalfa is associated with 1 patent: “Transcatheter Dilatable Biostable Polymeric Stented Valved Tube Prosthesis.” The invention describes a tubular member that can be plastically deformed from one dimension to another, alongside a valve component with expandable leaflets. Elastomeric glue secures the valve component inside the tube at two circumferential regions, creating an annular cavity that houses an expandable stent.

Career Highlights

Kalfa’s patent reflects work on a transcatheter valve design that can expand between dimensions while maintaining its structural components. The patent identifies Columbia University as his associated organization.

Collaborations

The provided information names Abigail R. Herschman and Jeffrey William Kysar as Kalfa’s coworkers. Their inclusion indicates professional connections, though the available details do not specify their roles in the patent.

Conclusion

David Kalfa’s patent centers on a dilatable, stented valve prosthesis, highlighting an engineering approach to transcatheter valve design associated with Columbia University.

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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