Stamford, CT, United States of America

David S Johnson

This inventor holds 2 USPTO granted patents. Top assignee: United States Surgical Corporation. Active years: 1993-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David S Johnson. Retrieved from https://idiyas.com/inventor/david-s-johnson-om49qxr6

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 = 1.3

ph-index = 2

Forward Citations = 81(Granted Patents)


Company Filing History:


Years Active: 1993-1994

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2 patents (USPTO):Explore Patents

Title: David S Johnson: Innovator in Medical Devices

Introduction

David S Johnson is a notable inventor based in Stamford, CT, who has made significant contributions to the field of medical devices. With a total of 2 patents to his name, Johnson's work focuses on innovative solutions that enhance medical procedures and patient care.

Latest Patents

One of Johnson's latest inventions is the pneumoperitoneum needle. This device comprises a lumen that defines a passageway for pneumoperitoneum gases to enter the peritoneal cavity. It features a handle mechanism attached to the proximal end of the lumen and a filtration unit within the handle for filtering these gases. The filtration unit is designed with a hydrophobic filter made from polytetrafluoroethylene, with a pore size ranging from about 0.2 to 0.5 microns. In an alternative embodiment, this filtration unit can be integrated into a Veress-type needle.

Another significant patent is a device for evaluating surface contour. This device is designed to measure the surface elevation or depth of depressions and cavities on various body parts. It includes a body portion with multiple legs that stabilize the device on a body part, such as the skull. A slidable member with a calibrated scale is positioned in a slot within the body, and an indexer indicates the distance the slidable member moves, allowing for accurate evaluation of surface features.

Career Highlights

David S Johnson is currently associated with United States Surgical Corporation, where he continues to develop innovative medical technologies. His work has been instrumental in advancing surgical techniques and improving patient outcomes.

Collaborations

Johnson collaborates with various professionals in the medical field, including his coworker Alfred G Evans, to enhance the effectiveness of his inventions.

Conclusion

David S Johnson's contributions to medical device innovation reflect his commitment to improving healthcare through technology. His patents demonstrate a blend of creativity and practicality that addresses real-world medical challenges.

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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