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For the Inventor, By the Inventor

Waterford, MI, United States of America

Brian K Stefina

This inventor holds 11 USPTO granted patents and 2 EPO patents. Top assignee: Borgwarner Inc.. Active years: 2004-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Brian K Stefina. Retrieved from https://idiyas.com/inventor/brian-k-stefina

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

USPTO Granted Patents = 11

% Patents Active = 45.5

 

Average Co-Inventor Count = 1.4

ph-index = 5

Forward Citations = 114(Granted Patents)


Company Filing History:

goldMedal11 out of 2,730 
 
Borgwarner Inc.
 patents

Years Active: 2004-2016

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11 patents (USPTO):Explore Patents
1. 9261189 - Gear shift interlock (2016-02-16),
2. 8632049 - Self-retaining plastic snap plugs (2014-01-21),
3. 8578764 - Self-retaining target assembly (2013-11-12),
4. 7891372 - Contamination and flow control (2011-02-22),
5. 7127961 - Integrated control module for a dual clutch transmission (2006-10-31),
6. 7101306 - Bi-directional four-mode clutch for providing low and reverse gear ratios in a transmission (2006-09-05),
7. 7073407 - Integrated control module for use in a dual clutch transmission having integrated shift actuator position sensors (2006-07-11),
8. 6905009 - Bi-directional clutch having a momentary latching actuator (2005-06-14),
9. 6883655 - Variable torsional damper having magneto-rheological fluid damping in parallel with a spring damper (2005-04-26),
10. 6832674 - Bi-directional four-mode clutch (2004-12-21),
11. 6814200 - Clutch assembly having anti-skew engagement mechanism (2004-11-09),

Title: Innovations of Brian K Stefina

Introduction

Brian K Stefina is a notable inventor based in Waterford, MI (US), recognized for his contributions to the field of engineering and technology. With a total of 11 patents to his name, he has made significant advancements in various mechanical systems.

Latest Patents

Among his latest innovations is the gear shift interlock, which enhances the safety and functionality of gearshifts in vehicles. This invention includes a first shift block associated with synchronized gears, featuring a detent that allows movement between neutral and actuated positions. Additionally, the self-retaining plastic snap plugs serve to close off the bore of hydraulic spool type valves, utilizing a polymeric body with integral projecting studs for secure engagement.

Career Highlights

Brian K Stefina has built a successful career at BorgWarner Inc., a company known for its automotive components and technologies. His work has contributed to the development of innovative solutions that improve vehicle performance and safety.

Collaborations

Throughout his career, Brian has collaborated with talented individuals such as Christopher E Blair and John M Kremer, further enhancing the innovative environment at BorgWarner Inc.

Conclusion

Brian K Stefina's contributions to engineering through his patents and collaborations highlight his role as a significant inventor in the automotive industry. His work continues to influence advancements in vehicle technology and safety.

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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