Company Filing History:
1 out of 6 
1 out of 221 
1 out of 8 Years Active: 2000-2004
Title: The Innovations of Johann W. Kolar
Introduction
Johann W. Kolar, based in Vienna, Austria, is a prominent inventor known for his contributions to electrical engineering. With a total of three patents to his name, Kolar's inventions primarily focus on advanced rectifier systems and power electronics.
Latest Patents
Johann W. Kolar's latest patents include a groundbreaking "Unidirectional Three Phase Pulse Controlled Rectifier System with Failed Phase Voltage Operation." This innovative apparatus converts a three-phase voltage system into a DC voltage, utilizing an output capacitor and a star circuit. The design incorporates filter capacitors and a controllable three-phase bridge, integrating a current-stabilizing inductance, a step-up controller diode, and a step-up controller transistor into the converter structure.
Another noteworthy invention is the "Device and Method for Line-Voltage Dependent Thyristor Controlled Pre-Charging of Output Capacitors in a Three-Level Pulse Rectifier System." This apparatus is designed for the initial charging of output capacitors within a three-phase three-point pulsed rectifier system. It features a thyristor connected in each phase and a unique circuit actuating method that enhances efficiency during the initial charging and subsequent operations.
Career Highlights
Johann W. Kolar has had a notable career, working with prestigious companies such as Delta Energy Systems (Switzerland) AG and ABB Patent GmbH. His work in these organizations has significantly influenced the development of advanced power systems, bridging theoretical concepts with practical applications.
Collaborations
In his journey as an inventor, Kolar has collaborated with fellow inventor Wilhelm Korb. Their partnership highlights the importance of teamwork in the field of innovation, where sharing ideas and expertise can lead to remarkable technological advancements.
Conclusion
Johann W. Kolar's contributions to the field of electrical engineering through his patents illustrate his innovative spirit and dedication to enhancing power systems. His inventions not only showcase technical expertise but also address critical needs in modern electrical applications, leaving a lasting impact on the industry.
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.