Company Filing History:

11 out of 4,062

Dr. Ing. H.c. F. Porsche Aktiengesellschaft

Zahnradfabrik Friedrichshafen, Ag.

patents

where one patent can have more than one assignee

Years Active: 1990-2004

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6695746 - Method of aiding the shifting operation in motor vehicles with an automated manual or automatic transmission (2004-02-24),

2. 6086506 - Method of controlling a continuously variable transmission automatically (2000-07-11),

3. 5540632 - Control process and control arrangement for a continuously variable (1996-07-30),

4. 5533423 - Differential housing for the axle drive of a motor vehicle (1996-07-09),

5. 5514046 - Method for controlling an infinitely variable motor vehicle transmission (1996-05-07),

6. 5491635 - Arrangement and a process for controlling a starting device of a vehicle (1996-02-13),

7. 5433677 - Method for automatic control of an RPM-changing engaging device of a (1995-07-18),

8. 5197344 - Shifting arrangement for an automatic transmission (1993-03-30),

9. 5157609 - Method and apparatus for controlling an automatically shifting (1992-10-20),

10. 5025684 - Method and apparatus for controlling an automatic shift transmission (1991-06-25),

11. 4905530 - Shifting arrangement for an automatic transmissdion of a motor vehicle (1990-03-06),

Title: Innovations by Heinz Stehle in Automotive Technology

Introduction

Heinz Stehle is a notable inventor based in Weissach, Germany, recognized for his contributions to automotive technology. With a total of 11 patents, he has made significant advancements in the field of vehicle transmission systems. His innovative methods aim to enhance the efficiency and performance of motor vehicles.

Latest Patents

One of Stehle's latest patents is a method of aiding the shifting operation in motor vehicles equipped with automated manual or automatic transmissions. This invention involves detecting and analyzing current operating conditions through an analyzing unit. When the vehicle indicates an imminent shifting operation, a precontact switch activates, signaling the driver as they approach the gear selection device. This process allows for a reduction in engine torque, thereby shortening the shifting time before the driver even grips the operating device.

Another significant patent is a method for controlling a continuously variable transmission automatically. This invention utilizes an electrohydraulic control system, a selector device, and a controllable engaging clutch. It allows for automatic selection and adjustment of gear ratios based on various operating parameters, such as throttle angle and driving speed. The method also includes a second operating mode that simulates a multi-step transmission, providing drivers with a more engaging experience.

Career Highlights

Heinz Stehle has worked with prestigious companies, including Dr. Ing. h.c. F. Porsche Aktiengesellschaft and Robert Bosch GmbH. His experience in these organizations has contributed to his expertise in automotive engineering and innovation.

Collaborations

Throughout his career, Stehle has collaborated with notable colleagues, including Joseph Petersmann and Willi Seidel. These partnerships have likely fostered a creative environment that has led to the development of his innovative patents.

Conclusion

Heinz Stehle's contributions to automotive technology through his patents demonstrate his commitment to improving vehicle performance and efficiency. His work continues to influence the automotive industry, paving the way for future innovations.

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