Charlotte, NC, United States of America

James C Johnson

This inventor holds 1 USPTO granted patent. Top assignee: Duff-Norton Company, Inc.. Active years: 1983.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James C Johnson. Retrieved from https://idiyas.com/inventor/james-c-johnson-6ohxkyzp

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 1.0

ph-index = 1

Forward Citations = 10(Granted Patents)


Company Filing History:


Years Active: 1983

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1 patent (USPTO):Explore Patents

Title: James C Johnson: Innovator in Linear Actuator Technology

Introduction

James C Johnson is a notable inventor based in Charlotte, NC (US). He has made significant contributions to the field of linear actuator technology. His innovative approach has led to the development of a unique patent that addresses common challenges in actuator design.

Latest Patents

Johnson holds a patent for a "Shielding apparatus for linear actuator." This invention features a shielding bladder designed for the venting arrangement of a linear actuator. The actuator includes a housing and a reciprocable member that moves linearly through it. The venting arrangement allows ambient air to flow in and out of the housing during operation. The bladder is a sleeve that is sealably affixed to the housing, enclosing the venting arrangement. It defines a chamber that contains a volume of air, which helps maintain normal actuator operation while preventing debris and excess moisture from entering.

Career Highlights

James C Johnson is associated with Duff-Norton Company, Inc., where he has applied his expertise in actuator technology. His work has focused on enhancing the performance and reliability of linear actuators through innovative designs.

Conclusion

James C Johnson's contributions to linear actuator technology exemplify the spirit of innovation. His patent for a shielding apparatus demonstrates his commitment to improving actuator functionality and reliability.

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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