Roslyn, PA, United States of America

Ralph Fritz Zwirnmann

This inventor holds 4 USPTO granted patents and 2 published patent applications, plus 2 CIPO patents. Top assignees: Synthes USA, LLC, Other. Active years: 2005-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ralph Fritz Zwirnmann. Retrieved from https://idiyas.com/inventor/ralph-fritz-zwirnmann

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

Calculating rank
USPTO Granted Patents = 4 

% Patents Active = 50.0

 

Average Co-Inventor Count = 1.1

ph-index = 4

Forward Citations = 1,119(Granted Patents)


Company Filing History:


Years Active: 2005-2012

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4 patents (USPTO):Explore Patents

Title: Ralph Fritz Zwirnmann: Innovator in Orthopedic Technology

Introduction

Ralph Fritz Zwirnmann is a notable inventor based in Roslyn, PA, who has made significant contributions to orthopedic technology. With a total of four patents to his name, Zwirnmann's work focuses on innovative solutions for medical procedures involving bone.

Latest Patents

Among his latest patents is the "Adjustable Length Tap and Method for Drilling and Tapping a Bore in Bone." This invention is designed for orthopedic procedures, featuring an adjustable self-drilling tap assembly that includes a shaft with cutting threads for drilling holes in bone. The assembly is equipped with a stop collar that can be adjusted along the shaft's longitudinal axis, along with a locking collar that secures the stop collar in place. This design allows for precise control over the effective length of the cutting threads.

Another significant patent is the "Spring Loaded Fixation Element Insertion Device." This device is intended for attaching fixation elements to bone. It consists of a longitudinal member with a channel for receiving fixation elements, and a coaxial shaft that drives the fixation element into the bone. A spring is included to bias the shaft in an axial direction, enhancing the device's functionality.

Career Highlights

Zwirnmann has worked with Synthes USA, LLC, a company known for its advancements in orthopedic devices. His experience in this field has allowed him to develop innovative solutions that improve surgical outcomes.

Collaborations

Throughout his career, Zwirnmann has collaborated with notable individuals such as Michael C. Chen and Mike C. Chen. These partnerships have contributed to the development of his patented technologies.

Conclusion

Ralph Fritz Zwirnmann's contributions to orthopedic technology through his patents demonstrate his commitment to innovation in the medical field. His inventions are poised to enhance surgical procedures and improve patient care.

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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