Company Filing History:

11 out of 416

Zahnradfabrik Friedrichshafen, Ag.

patents

3 out of 3,429

Zf Friedrichshafen Ag

where one patent can have more than one assignee

Years Active: 1982-2002

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6357316 - Shifting device for pinion gear change boxes (2002-03-19),

2. 5928107 - Method for controlling and monitoring of a driving mode of a motor (1999-07-27),

3. 5921362 - Synchronizing device with spring element applying constant force to a (1999-07-13),

4. 4897790 - Control arrangement for the shifting of variable change speed gears (1990-01-30),

5. 4819774 - Drive arrangement for commercial motor vehicles (1989-04-11),

6. 4753332 - Friction clutch assembly with selective lubrication during the friction (1988-06-28),

7. 4685548 - Control system for speed synchronized clutch operation during gear shift (1987-08-11),

8. 4633987 - Pressure-medium actuated shifting arrangement (1987-01-06),

9. 4542662 - Mechanical gear selector (1985-09-24),

10. 4440272 - Apparatus for controlling the braking effect of a hydraulic retarder (1984-04-03),

11. 4377951 - Gear-change mechanism for a gear-change transmission consisting of a (1983-03-29),

12. 4362017 - Hydraulic torque converter (1982-12-07),

13. 4361217 - Clutch assembly for semiautomatic gear transmission (1982-11-30),

14. 4354584 - Transmission-clutch operating system (1982-10-19),

Title: Gerold Bieber: Innovator in Gear Technology

Introduction

Gerold Bieber is a notable inventor based in Langenargen, Germany. He has made significant contributions to the field of gear technology, holding a total of 14 patents. His innovative designs have advanced the functionality and reliability of various mechanical systems.

Latest Patents

One of his latest patents is a shifting device for pinion gear change boxes. This device actuates positive fit couplings through selector forks that slide on a stationary longitudinal guide. Shifting forces are transmitted from the shifting finger to the selector forks by profiled metal plates suspended in the selector fork. The configuration of this inventive shifting device allows for a reliable, simple, and cost-effective solution suitable for various types of shifting mechanisms, including lever shifts and hydrostatic shifting mechanisms. Another significant patent is a method for controlling and monitoring the driving mode of a motor. This method estimates the total weight of a vehicle based on its parameters and driving conditions, providing crucial information for testing the braking system, particularly in heavy trucks.

Career Highlights

Throughout his career, Gerold Bieber has worked with prominent companies such as Zahnradfabrik Friedrichshafen and ZF Friedrichshafen AG. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in gear technology.

Collaborations

Gerold has collaborated with notable individuals in the industry, including Alfred Magg and Franz Boss. These partnerships have fostered a creative environment that has led to the development of advanced technologies.

Conclusion

Gerold Bieber's contributions to gear technology through his patents and collaborations have made a lasting impact in the field. His innovative spirit continues to inspire advancements in mechanical systems.

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