Company Filing History:
2 out of 642 
1 out of 1 
1 out of 1 Years Active: 1990-1992
Title: Hans-Joachim Hiedemann: Innovator in Diaphragm Manufacturing
Introduction
Hans-Joachim Hiedemann is a notable inventor based in Cologne, Germany. He has made significant contributions to the field of diaphragm manufacturing, holding 2 patents that showcase his innovative approach to this technology.
Latest Patents
Hiedemann's latest patents include an "Apparatus for manufacturing diaphragms" and a "Process and apparatus for manufacturing diaphragms." Both patents describe a method where a layer of difficulty flowable metal powder is applied to a support. A wire net is rolled onto the powder layer, which is then compacted simultaneously. The metal powder is fired at temperatures ranging from 800°C to 1500°C in an oxidizing atmosphere. To ensure that the diaphragms have a constant thickness, strength, and density, the metal powder is uniformly distributed and applied to the support. The powder layer is moved under a distributing roller that rotates in the opposite direction to the powder feed.
Career Highlights
Throughout his career, Hiedemann has worked with prominent companies such as Metallgesellschaft Aktiengesellschaft and Kolbenschmidt. His experience in these organizations has contributed to his expertise in manufacturing processes and innovation.
Collaborations
Hiedemann has collaborated with notable coworkers, including Heinz Wullenweber and Peter Kohl. Their collective efforts have likely advanced the field of diaphragm manufacturing.
Conclusion
Hans-Joachim Hiedemann's contributions to diaphragm manufacturing through his patents and career experiences highlight his role as an innovator in this specialized field. His work continues to influence manufacturing processes today.