Company Filing History:
39 out of 229 
1 out of 523 
Years Active: 1992-2018
Title: Innovations of Dieter Dohnal: A Pioneer in Electrical Engineering
Introduction
Dieter Dohnal, based in Lappersdorf, Germany, is a notable inventor with an impressive portfolio of 40 patents. His contributions primarily revolve around advancements in electrical engineering, particularly in the realm of electric arc furnaces and on-load tap changers.
Latest Patents
Among Dieter Dohnal's latest innovations is a groundbreaking device and method for reducing network reactions during the operation of electric arc furnaces. This invention features a system that incorporates three lines, each equipped with an electrode and sensors for measuring the current and voltage. The control and regulating unit calculates electrical actual values to effectively adjust the current in each line using a semiconductor tap changer connected to the furnace transformer. Another significant patent is focused on a sophisticated on-load tap changer, which includes a load changeover switch insert with a rotatable switching tube and multiple actuators, designed to enhance operational efficiency through innovative arrangements of resistors and switching segments.
Career Highlights
Throughout his esteemed career, Dieter has held positions at prominent companies, including Maschinenfabrik Reinhausen GmbH and Pharmacia & Upjohn Company. His expertise and innovative prowess have enabled him to develop technologies that significantly improve electrical systems, showcasing his remarkable skills in engineering and design.
Collaborations
In his journey, Dieter Dohnal has collaborated with notable colleagues, including Karsten Viereck and Hans-Henning Lessmann-Mieske. These collaborations have fostered a creative environment that has led to the development of cutting-edge technologies in their field.
Conclusion
Dieter Dohnal's contributions to electrical engineering through his 40 patents reflect his dedication to innovation and excellence. As he continues to develop solutions that address critical challenges within the industry, his legacy as a pioneering inventor in electrical systems is firmly established.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.