Company Filing History:
9 out of 90 
5 out of 345 
4 out of 1,578 
Years Active: 2002-2025
Title: **Friedrich Johann Zapf: Innovator in Aftertreatment Systems for Internal Combustion Engines**
Introduction
Friedrich Johann Zapf, an inventor based in Karlstadt, Germany, is known for his significant contributions to the field of engineering, particularly in aftertreatment systems for internal combustion engines. With an impressive portfolio comprising 19 patents, Zapf has established himself as a notable figure in innovation and invention.
Latest Patents
Among his latest innovations, Zapf has developed groundbreaking patents that enhance the efficiency and functionality of aftertreatment systems. One such invention is a **dosing module for use in aftertreatment systems for internal combustion engines**. This system includes various components, such as an inlet exhaust section and a first dosing module, which is specifically designed to selectively dose exhaust with reductant. The second dosing module operates similarly along the outlet exhaust section, improving the treatment of exhaust emissions.
Another significant patent is the **filtration assembly for use in aftertreatment systems for internal combustion engines**. This assembly features a unique design with an outer and inner housing, where the inner housing can transition between different states. This innovation ensures effective filtration of reductant and optimizes the aftertreatment process.
Career Highlights
Throughout his career, Friedrich Johann Zapf has worked with prominent companies such as Hydraulik-Ring GmbH and Cummins Inc. His experience in these organizations has contributed to his expertise in developing innovative solutions for engine aftertreatment systems.
Collaborations
Zapf has collaborated with notable professionals in the industry, including his coworkers Rolf Neuhaus and Heico Stegmann. These partnerships have likely fostered knowledge exchange and driven advancements in their respective fields, further enhancing the impact of Zapf's inventions.
Conclusion
Friedrich Johann Zapf's contributions to technology and engineering exemplify the spirit of innovation. His advancements in aftertreatment systems demonstrate a commitment to improving environmental standards and enhancing the efficiency of internal combustion engines. With a substantial number of patents to his name, Zapf continues to inspire future inventors and innovators in 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.