This inventor holds 2 USPTO granted patents. Top assignees: Bbc Brown, Boveri & Company, Limited, Siemens Aktiengesellschaft. Active years: 1986-1998.
Location History:
- Turgi, CH (1986)
- Herzogenaurach, DE (1998)
Company Filing History:


Years Active: 1986-1998
Title: Norbert Christl: Innovator in Electrical Engineering
Introduction
Norbert Christl is a notable inventor based in Herzogenaurach, Germany. He has made significant contributions to the field of electrical engineering, particularly in the development of filter circuit systems for static converter applications. With a total of 2 patents, his work has had a lasting impact on the industry.
Latest Patents
One of Christl's latest patents is a method and apparatus for determining orders of non-characteristic alternating-current filter circuit arrangements. This invention focuses on a three-phase filter circuit system designed for static converter systems, especially in high-voltage direct-current short ties. The system incorporates at least two high-pass filters connected in parallel, each consisting of a choke, resistance, and capacitor. These filters can be individually connected to a three-phase busbar via a switch. The design not only reduces harmonics but also serves as a compensating device for the reactive power requirements of static converters. By optimizing the filtering effect in lower partial load ranges, Christl's invention enhances the overall efficiency and performance of electrical systems.
Career Highlights
Throughout his career, Norbert Christl has worked with several prominent companies, including BBC Brown, Boveri & Company, Limited, and Siemens Aktiengesellschaft. His experience in these organizations has contributed to his expertise in electrical engineering and innovation.
Collaborations
Christl has collaborated with notable colleagues such as Kadry Sadek and Peter Lutzelberger. These partnerships have likely fostered a creative environment that has led to the development of his innovative patents.
Conclusion
Norbert Christl's contributions to electrical engineering through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence the design and efficiency of electrical systems today.