This inventor holds 3 USPTO granted patents. Top assignees: Borgwarner Inc., Daimler Chrysler Ag, Mercedes-Benz Aktiengesellschaft. Active years: 1997-2012.
Location History:
- Seevetal, DE (1999)
- Hamburg, DE (1997 - 2012)
Company Filing History:


Years Active: 1997-2012
Title: Ralf Puenjer: Innovator in Metal Component Connections
Introduction
Ralf Puenjer is a notable inventor based in Hamburg, Germany. He has made significant contributions to the field of engineering, particularly in methods for connecting metal components. With a total of 3 patents to his name, Puenjer's work showcases his innovative approach to solving complex engineering challenges.
Latest Patents
One of Puenjer's latest patents is a method for connecting a sheet metal component, such as a pipe, to a cast metal component, particularly for exhaust systems. This method utilizes a pulse-welding technique to effectively join these components, enhancing the durability and efficiency of exhaust systems. Another significant patent involves a method and device for removing a slug from a hydroforming tool. This invention addresses the challenges of separating a slug from a hollow profile using fluidic internal pressure, streamlining the manufacturing process.
Career Highlights
Throughout his career, Ralf Puenjer has worked with prestigious companies such as Mercedes-Benz and Daimler Chrysler. His experience in these leading automotive firms has allowed him to apply his innovative ideas in practical settings, contributing to advancements in automotive engineering.
Collaborations
Puenjer has collaborated with notable colleagues, including Thomas Huelsberg and Henning Bloecker. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the field.
Conclusion
Ralf Puenjer's contributions to engineering through his patents and collaborations highlight his role as an influential inventor. His innovative methods for connecting metal components continue to impact the industry positively.