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For the Inventor, By the Inventor

Kalamazoo, MI, United States of America

Alan C Stine

This inventor holds 28 USPTO granted patents, primarily in Transmission Technology. Top assignees: Eaton Corporation, Other. Active years: 1990-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Alan C Stine. Retrieved from https://idiyas.com/inventor/alan-c-stine

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

USPTO Granted Patents = 28

% Patents Active = 96.4

Average Co-Inventor Count = 1.7

ph-index = 14

Forward Citations = 578(Granted Patents)


Company Filing History:

goldMedal26 out of 5,989 
 
Eaton Corporation
 patents
silverMedal2 out of 834,453 
Other
 patents

Years Active: 1990-2009

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Areas of Expertise:
Compound Transmission
Dual Mode Transmission
Torque Control
Shifting Control
Cooling System
Auxiliary Section
Gear Retainer
Control Module
Synchronized Shifting
Blocking Mechanism
Range Section Protection
Actuator Control System
28 patents (USPTO):Explore Patents
1. 7473202 - Continuously variable dual mode transmission (2009-01-06),
2. 6361473 - System/method for synchronized shifting of a manually shifted transmission (2002-03-26),
3. 6085606 - Mechanical transmission with reduced ratio steps in upper transmission (2000-07-11),
4. 5992267 - Robust control for three-position transmission shift actuator assembly (1999-11-30),
5. 5974906 - Jaw clutch engagement control for assisted, manually shifted, (1999-11-02),
6. 5907974 - Splitter lockout system arranged for conversion between first and second (1999-06-01),
7. 5845544 - Control module (1998-12-08),
8. 5737978 - Two-piece housing for compound transmission (1998-04-14),
9. 5679096 - Torque control for powertrain and change-gear transmission utilized in (1997-10-21),
10. 5678461 - Transmission cooling system (1997-10-21),
11. 5642643 - Reduced-length, high-capacity compound transmission (1997-07-01),
12. 5546823 - High-capacity compound transmission (1996-08-20),
13. 5526711 - Compound transmission having deep reduction auxiliary section gear (1996-06-18),
14. 5447082 - Blocking mechanism for splitter type auxiliary transmission section (1995-09-05),
15. 5421222 - Compound transmission having auto range actuation through dual entry (1995-06-06),

Title: Innovations of Alan C. Stine in Automotive Technology

Introduction

Alan C. Stine, an accomplished inventor based in Kalamazoo, MI, has made significant contributions to the automotive industry with a remarkable portfolio of 28 patents. His innovations focus primarily on improving transmission systems, addressing the need for efficiency and performance in motor vehicles.

Latest Patents

Two of Alan’s latest patents highlight his expertise in transmission technology. The first patent pertains to a **Continuously Variable Dual Mode Transmission**, designed for use in motor vehicles. This innovative transmission system includes a transmission input shaft, a transmission output shaft, and a variator located between the two. It features a mixer gear set and a clutching element, which allows the transmission to operate in two distinct modes – a power splitting mode and a variator-only mode. The system is finely tuned through an electronic control unit that manages the torque ratio in response to vehicle speed.

The second patent involves a **System/Method for Synchronized Shifting of a Manually Shifted Transmission**. This controller-assisted system prevents out-of-synchronization shifts and unintended disengagement of ratios by utilizing an advanced shift inhibit mechanism. The method enhances the driving experience by accurately determining the intent to shift, ensuring smoother transitions and improved control.

Career Highlights

Throughout his career, Alan C. Stine has collaborated with prominent companies in the automotive sector, including Eaton Corporation. His work has helped drive innovations that not only enhance vehicle performance but also optimize fuel efficiency and reliability.

Collaborations

In his journey as an inventor, Alan has had the privilege of working alongside talented professionals such as Joseph D. Reynolds and Michael J. Huggins. These collaborations have undoubtedly contributed to his innovative approach and the successful development of his patented technologies.

Conclusion

Alan C. Stine stands out as a leading figure in automotive innovation. His dedication to improving transmission systems has resulted in a significant number of patents that represent a blend of creativity and engineering excellence. As technology continues to evolve, Stine's contributions will undoubtedly leave a lasting impact on the automotive industry and beyond.

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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