This inventor holds 1 USPTO granted patent. Top assignees: Metallgesellschaft Aktiengesellschaft, Skw Trostberg Aktiengesellschaft. Active years: 1983.
Company Filing History:
1 out of 642 
1 out of 153 
Years Active: 1983
Title: The Innovations of Ernst J Doliwa
Introduction
Ernst J Doliwa is a notable inventor based in Niddatal, Germany. He is recognized for his contributions to the field of metallurgy, particularly in the treatment of molten cast iron. His innovative approach has led to advancements in casting technology, influencing the quality and structure of cast iron products.
Latest Patents
Doliwa holds a patent for an "Apparatus for treating molten cast iron." This invention involves contacting molten cast iron with various treating agents within a casting mold. The design includes an intermediate chamber that receives the graphitizing agent and facilitates its interaction with the molten metal. This chamber is uniquely designed with a frustopyramidal shape, allowing for functional adaptation as the pouring process progresses.
Career Highlights
Throughout his career, Ernst J Doliwa has worked with prominent companies in the metallurgy sector. Notable among these are Metallgesellschaft Aktiengesellschaft and SKW Trostberg Aktiengesellschaft. His experience in these organizations has contributed to his expertise and innovative capabilities in the field.
Collaborations
Doliwa has collaborated with several professionals in his field, including Karl J Reifferscheid and Friedrich Wolfsgruber. These collaborations have likely enriched his work and led to further advancements in casting technology.
Conclusion
Ernst J Doliwa's contributions to the treatment of molten cast iron exemplify the impact of innovation in metallurgy. His patent and career achievements highlight the importance of collaboration and expertise in driving technological advancements.