El Dorado, KS, United States of America

Charles H Greenwell

This inventor holds 1 USPTO granted patent. Top assignee: Century Plastics, Inc.. Active years: 1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Charles H Greenwell. Retrieved from https://idiyas.com/inventor/charles-h-greenwell

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 = 5.0

ph-index = 1

Forward Citations = 68(Granted Patents)


Company Filing History:


Years Active: 1991

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1 patent (USPTO):Explore Patents

Title: The Innovations of Charles H. Greenwell

Introduction

Charles H. Greenwell is an accomplished inventor based in El Dorado, Kansas. He is known for his innovative contributions to medical devices, particularly in the field of catheter technology. His work has significantly impacted patient care and safety.

Latest Patents

One of Greenwell's notable patents is the "Needle shield with transparency maintaining coating." This device is designed to hold a heparin lock securely to a catheter that has been previously disposed through a body portion and into an artery of a patient. The device features a cover made of generally flexible material, which includes a face with a continuous periphery and an aperture offset from it. The design also incorporates an oval-shaped body that is integrally secured to the face, enhancing its functionality. The inside surface of the wall is coated with a composition that maintains transparency, allowing for visibility while ensuring safety. Additionally, the wall may include openings covered with air-permeable sheet members, allowing vapor and moisture to pass through while preventing liquid penetration.

Career Highlights

Greenwell's career is marked by his dedication to improving medical technology. His work at Century Plastics, Inc. has allowed him to collaborate with other talented professionals in the field. His innovative spirit and commitment to enhancing patient care are evident in his patent contributions.

Collaborations

Throughout his career, Greenwell has worked alongside notable colleagues, including Don W. Casey, who is now deceased, and Gerald E. Wagnon. These collaborations have fostered an environment of creativity and innovation, leading to advancements in medical device technology.

Conclusion

Charles H. Greenwell's contributions to the field of medical devices exemplify the importance of innovation in healthcare. His patented inventions, particularly the needle shield with transparency maintaining coating, demonstrate his commitment to improving patient safety and care. His work continues to inspire future advancements in medical technology.

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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