Company Filing History:
2 out of 182 
2 out of 10,092 
Years Active: 1979-1987
Title: Herwig Leinfellner: Innovator in Automotive Technology
Introduction
Herwig Leinfellner is a notable inventor based in Graz, Austria. He has made significant contributions to the field of automotive technology, holding a total of four patents. His innovative designs focus on improving vehicle performance and efficiency.
Latest Patents
One of Leinfellner's latest patents is a liquid friction coupling. This device is designed to be integrated into the differential between two driven axles of a vehicle. It consists of a rotatable housing filled with a viscous liquid, a shaft that protrudes into the housing, and interdigitating blades. The design allows for automatic control of the torque transmitted during the starting period, adjusting based on performance variables such as temperature.
Another significant patent is a gear shift device for transmissions. This invention includes multiple gear shift rods equipped with connecting members and clutch-actuating shift forks. The rods are arranged in parallel and are movable in the lengthwise direction. The gear shift shaft, which is rotationally and axially movable, engages with the connecting members to facilitate smooth gear shifting.
Career Highlights
Leinfellner has worked with prominent companies in the automotive industry, including Steyr-Daimler-Puch AG and Honda Giken Kogyo Kabushiki Kaisha. His experience in these organizations has contributed to his expertise in developing innovative automotive solutions.
Collaborations
Throughout his career, Leinfellner has collaborated with notable individuals such as August Kriebernegg and Kiyokazu Okubo. These partnerships have likely enhanced his inventive processes and led to the development of groundbreaking technologies.
Conclusion
Herwig Leinfellner's contributions to automotive technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry, showcasing the importance of innovation in vehicle performance and efficiency.