This inventor holds 8 USPTO granted patents. Top assignees: Asea Aktiebolag, Asea Ab, Danieli & C. Officine Meccaniche S.p.a.. Active years: 1977-1995.
Location History:
- Vasteras, SE (1977 - 1984)
- Vaster.ang.s, SE (1984 - 1995)
Company Filing History:
4 out of 414 
3 out of 80 
1 out of 524 
Years Active: 1977-1995
Title: Kjell Bergman: Innovator in Melting Furnace Technology
Introduction
Kjell Bergman is a notable inventor based in Vasterang, Sweden. He has made significant contributions to the field of melting furnace technology, holding a total of 8 patents. His work focuses on improving the efficiency and control of electric arc furnaces, which are essential in various industrial applications.
Latest Patents
Bergman's latest patents include a direct current melting furnace with control of deflection of the electric arc. This innovative design features an upper electrode with relative return-flow lines and multiple bottom electrodes positioned on the hearth of the furnace. Each assembly of bottom electrodes has its own controlled supply line connected to a transformer, which is further enhanced by a thyristor rectifier assembly for precise control of voltage, current, and firing angle. Another significant patent involves a method and device for improving the efficiency of slag-bath reactions, particularly in sulfur removal from steel melts. This method utilizes an inductive stirrer to create both horizontal and vertical stirring forces, enhancing the overall efficiency of the process.
Career Highlights
Throughout his career, Kjell Bergman has worked with prominent companies such as Asea Aktiebolag and Asea AB. His experience in these organizations has allowed him to develop and refine his innovative ideas in melting technology.
Collaborations
Bergman has collaborated with notable professionals in his field, including Erik Lassander and Sven-Einar Stenkvist. These partnerships have contributed to the advancement of his inventions and the overall progress in melting furnace technology.
Conclusion
Kjell Bergman is a distinguished inventor whose work has significantly impacted the field of melting furnace technology. His innovative patents and collaborations reflect his commitment to enhancing industrial processes.