This inventor holds 9 USPTO granted patents, plus 1 CIPO patent. Top assignees: Ballard Power Systems Ag, Nucellsys Gmbh, Ballard Power Systems Corporation. Active years: 2003-2010.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Senden, DE (2003)
- Kirchhein, DE (2004)
- Kirhheim, DE (2009)
- Kirchheim, DE (2003 - 2010)
Company Filing History:
4 out of 70 
4 out of 38 
1 out of 304 
Years Active: 2003-2010
Title: Inventor Josef Sonntag: A Pioneer in Fuel Cell Technology
Introduction
Josef Sonntag, an accomplished inventor based in Kirchheim, Germany, has made significant contributions to the field of fuel cell technology. With a remarkable portfolio of nine patents, Sonntag's innovations are paving the way for advancements in energy efficiency and electrical systems.
Latest Patents
One of his latest patents encompasses a method and arrangement for controlling a switching connection between the electrical outputs of a fuel cell and an isolated electrical network. This invention focuses on a method and apparatus designed to control and set the switching states of switches connected to the electrical poles of a fuel cell, particularly for applications in vehicles. The system is engineered to open the switches in critical states of the fuel cell or the vehicle, ensuring safety and efficiency.
Another notable patent involves a method for controlling the quality of coolant in fuel cell systems. This innovative approach proposes measuring and monitoring the insulation resistance of the load circuit within the fuel cell system. Sonntag's findings reveal a functional relationship between the insulation resistance and the electrical conductivity of the coolant, which eliminates the need for separate conductivity measurements.
Career Highlights
Josef Sonntag has a solid professional background, having worked with prominent companies such as Ballard Power Systems and Nucellsys GmbH. His career has been marked by a commitment to advancing fuel cell technology and enhancing energy solutions.
Collaborations
Throughout his career, Sonntag has collaborated with notable colleagues, including Anton Sonntag and Hubert Urban. These partnerships have further enriched his contributions to innovative fuel cell developments.
Conclusion
In conclusion, Josef Sonntag stands out as a leading inventor in the fuel cell technology sector. His nine patents reflect his dedication to innovation and his impact on the advancement of electrical systems. As the demand for efficient energy solutions continues to grow, Sonntag's work will undoubtedly play a crucial role in shaping the future of this industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile