This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignees: Kautex Maschinenbau Gmbh, Sig Kautex Gmbh & Co. Kg. Active years: 2003-2008.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Dusseldorf, DE (2003)
- Duesseldorf, DE (2008)
Company Filing History:
Years Active: 2003-2008
Title: Roger Stehr: Innovator in Extrusion Technology
Introduction
Roger Stehr is a notable inventor based in Duesseldorf, Germany. He has made significant contributions to the field of extrusion technology, holding a total of 2 patents. His work focuses on innovative solutions for manufacturing processes, particularly in the production of multilayer preforms and fuel containers.
Latest Patents
One of Roger Stehr's latest patents is for an extrusion head designed for the production of tubular multilayer preforms. This extrusion head features at least two feed paths for delivering plasticized material from one or more extruders to an annular passage arrangement. The design includes mutually concentric annular passages that create separate flow paths for different layers of the preform. Additionally, the extrusion head incorporates an annular gap nozzle that allows for the introduction of a translucent viewing strip.
Another significant patent is for a double-wall fuel container made of plastic material. This container consists of at least two shell portions that are welded together. Each half-shell is formed as a double-wall blow molding, maintaining a gap between the walls in specific regions. This innovative design enhances the safety and functionality of fuel containers.
Career Highlights
Throughout his career, Roger Stehr has worked with prominent companies in the industry, including Sig Kautex GmbH & Co. KG and Kautex Maschinenbau GmbH. His experience in these organizations has allowed him to develop and refine his innovative ideas in extrusion technology.
Collaborations
Roger has collaborated with several professionals in his field, including Martin Balzer and Michael Pappert. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.
Conclusion
Roger Stehr is a distinguished inventor whose work in extrusion technology has led to valuable patents and innovations. His contributions continue to impact the industry positively, showcasing the importance of creativity and collaboration in engineering.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile