Mark J Fogelberg

This inventor holds 27 USPTO granted patents, primarily in Transmission Technology. Top assignees: Borgwarner Inc., Borg-Warner Automotive Gmbh. Active years: 1976-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mark J Fogelberg. Retrieved from https://idiyas.com/inventor/mark-j-fogelberg

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

USPTO Granted Patents = 27

% Patents Active = 100.0

Average Co-Inventor Count = 1.1

ph-index = 13

Forward Citations = 412(Granted Patents)

Location History:

Elk Grove Village, IL (US) (1976)
Muncie, IN (US) (1976 - 1989)
Loveland, OH (US) (1993)

Company Filing History:

Borg-Warner Automotive Gmbh

patents

Years Active: 1976-1993

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Areas of Expertise:

Transmission Synchronizer

Gear Transmission

Wheel Slip Control

Four Wheel Drive

Anti-Rattle System

Clutch Mechanism

Torque Transfer

Variable Capacity Compressor

Gear Changing Mechanism

Overrunning Clutch

Power Transfer Mechanism

Automatic Locking Clutch

27 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5269400 - Transmission synchronizer (1993-12-14),

2. 5257543 - Gear transmission with an anti-rattle system (1993-11-02),

3. 4848508 - Method and apparatus for controlling wheel slip in a full-time four (1989-07-18),

4. 4718303 - Four wheel drive transfer case with clutch mechanism (1988-01-12),

5. 4679663 - Transmission anti-clash and anti-rattle brake (1987-07-14),

6. 4649771 - Planetary gear drive with clutching assembly (1987-03-17),

7. 4584894 - Transmission anti-clash and anti-rattle brake (1986-04-29),

8. 4561520 - Magnetically synchronized clutch apparatus (1985-12-31),

9. 4531423 - Spring-assisted shift apparatus (1985-07-30),

10. 4430904 - Multiple speed ratio transmission with anti-clash brake (1984-02-14),

11. 4300667 - Automatic locking clutch (1981-11-17),

12. 4281749 - Automatic locking clutch (1981-08-04),

13. 4192411 - Automatic locking clutch (1980-03-11),

14. 4184575 - Torque transfer mechanism (1980-01-22),

15. 4145163 - Variable capacity wobble plate compressor (1979-03-20),

Title: The Innovative Contributions of Mark J. Fogelberg

Introduction

Mark J. Fogelberg, an accomplished inventor located in Muncie, IN, holds an impressive portfolio of 27 patents. His work primarily focuses on improvements in automotive transmission systems, showcasing his dedication to enhancing vehicle performance and reliability.

Latest Patents

Among his notable recent inventions is a **Transmission Synchronizer**, which features a synchronizer assembly designed for manual transmissions in automotive vehicles. This innovation includes an internally splined hub connected to a driven rotary shaft and a rotatable clutch sleeve that engages with the hub's external splines. The design also incorporates a shift fork, blocker rings, and transmission gears to optimize functionality.

Another significant patent, **Gear Transmission with an Anti-Rattle System**, introduces a unique mechanism to minimize rattle in gear-type transmissions. This system consists of deformable pressure discs paired with a friction disc, strategically positioned to prevent unwanted noise during operation, thus enhancing the overall user experience.

Career Highlights

Fogelberg's career is marked by his tenures at prominent firms, including BorgWarner Inc. and BorgWarner Automotive GmbH. His contributions in these companies have been pivotal in advancing transmission technology and reducing operational issues in automotive engineering.

Collaborations

Throughout his career, Mark has had the opportunity to collaborate with renowned colleagues such as Richard W. Roberts and Richard L. Smirl. These partnerships have fostered an environment of innovation, leading to groundbreaking advancements in automotive systems.

Conclusion

Mark J. Fogelberg's contributions to the field of automotive technology through his numerous patents have made him a notable figure in the industry. His work, aimed at improving transmission systems, continues to influence the design and functionality of vehicles today.

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]