Fort Wayne, IN, United States of America

Mark Charles Barnholt

This inventor holds 17 USPTO granted patents and 4 published patent applications and 1 EPO patent, primarily in Clutch Systems. Top assignees: Dana Corporation, Eaton Corporation, Eaton Intelligent Power Limited. Active years: 1989-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mark Charles Barnholt. Retrieved from https://idiyas.com/inventor/mark-charles-barnholt

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

Calculating rank
USPTO Granted Patents = 17 

% Patents Active = 64.7

 

Average Co-Inventor Count = 2.1

ph-index = 8

Forward Citations = 148(Granted Patents)


Location History:

  • Ft. Wayne, IN (US) (1989 - 2021)
  • Fort Wayne, IN (US) (1994 - 2022)

Company Filing History:


Years Active: 1989-2022

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Areas of Expertise:
Clutch Adjustment
Electromagnetic Clutch
Differential Assembly
Axle Cooling
Manufacturing Methods
Inertia Brake
Separation Systems
Reinforcing Ring
Axle Housing
Torsional Sleeve Coupling
Trunnion
Lockable Differential
17 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Mark Charles Barnholt

Introduction

Mark Charles Barnholt is a notable inventor based in Fort Wayne, Indiana, with a remarkable portfolio of 17 patents. His work primarily focuses on advancements in clutch systems for motor vehicles, showcasing his expertise in mechanical engineering and innovation.

Latest Patents

Among his latest patents is a clutch adjustment system with wear-resistant features designed to prevent back driving. This innovative friction clutch includes an adjustment mechanism that compensates for wear of a friction disk. The system features two cam rings that work together to vary the height of the adjustment mechanism, ensuring optimal performance. Additionally, Barnholt has developed a twin plate separation system that utilizes a spring separator assembly to maintain the separation between the pressure plate and the intermediate plate, enhancing the efficiency of the clutch system.

Career Highlights

Throughout his career, Barnholt has made significant contributions while working for prominent companies such as Dana Corporation and Eaton Corporation. His experience in these organizations has allowed him to refine his skills and develop groundbreaking technologies in the automotive sector.

Collaborations

Barnholt has collaborated with talented individuals in the field, including Brian William Franke and David Joseph Young. These partnerships have fostered a creative environment that has led to the development of innovative solutions in clutch technology.

Conclusion

Mark Charles Barnholt's contributions to the field of automotive engineering through his patents and collaborations highlight his role as a significant innovator. His work continues to influence the design and functionality of clutch systems in motor vehicles.

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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