Company Filing History:
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1 out of 1 
1 out of 2 Years Active: 1976-1978
Title: Karl-Heinrich Seifert: Innovator in Plastic Heating and Molding Technologies
Introduction
Karl-Heinrich Seifert is a notable inventor based in Hamburg, Germany. He has made significant contributions to the field of plastic processing, particularly in heating and molding techniques. With a total of 4 patents to his name, Seifert's work has advanced the efficiency and effectiveness of plastic manufacturing processes.
Latest Patents
Seifert's latest patents include a method for heating plastic materials and a method for blow molding hollow plastic articles with a concave base. The heating method involves using infrared radiators to heat workpieces made of synthetic plastics while simultaneously cooling the exposed surface to prevent localized overheating. His blow molding patent describes a process where the base of a hollow plastic body is initially formed in a convex shape and then deformed inwardly to create a concave area, controlled by pressure changes in the mold cavity.
Career Highlights
Throughout his career, Seifert has worked with prominent companies such as Heidenreich & Harbeck and its subsidiary, Gildemeister AG. His innovative approaches have contributed to advancements in the plastic manufacturing industry, showcasing his expertise and commitment to improving production methods.
Collaborations
Seifert has collaborated with notable colleagues, including Otto Rosenkranz and Heinz Goos. Their combined efforts have fostered a creative environment that has led to the development of groundbreaking technologies in plastic processing.
Conclusion
Karl-Heinrich Seifert's contributions to the field of plastic heating and molding have established him as a key figure in the industry. His innovative patents and collaborations reflect his dedication to advancing manufacturing techniques.