Company Filing History:
1 out of 353 
1 out of 109 Years Active: 1987-1997
Title: Siegfried Praetorius: Innovator in Pneumatic Tire Technology
Introduction
Siegfried Praetorius is a notable inventor based in Barsinghausen, Germany. He has made significant contributions to the field of pneumatic tire technology, holding 2 patents that showcase his innovative designs. His work has been influential in enhancing the performance and efficiency of vehicle tires.
Latest Patents
One of his latest patents is for a pneumatic vehicle tire with a symmetrical carcass and a symmetrical belt. This unidirectional tire features a tread design with at least three longitudinal grooves, each having a depth of 12 mm to 18 mm. The design includes a wide tread rib that is strategically positioned to face outward when mounted on a vehicle. This rib comprises a width of 25% to 40% of the tire tread's width and is free of any tread voids with a main direction of extension. Another patent focuses on a belted tire that incorporates a low-dampening rubber layer to reduce rolling resistance and avoid undesirable heat formation.
Career Highlights
Siegfried Praetorius has worked with prominent companies in the automotive industry, including Continental Aktiengesellschaft and Continental Gummi-Werke Aktiengesellschaft. His experience in these organizations has allowed him to develop and refine his innovative tire designs.
Collaborations
Throughout his career, Praetorius has collaborated with notable colleagues such as Dieter Rohde and Jobst Meyer-Adlung. These partnerships have contributed to the advancement of tire technology and the successful implementation of his patents.
Conclusion
Siegfried Praetorius is a distinguished inventor whose work in pneumatic tire technology has led to significant advancements in the industry. His innovative designs and collaborations have made a lasting impact on vehicle performance and safety.