Location History:
- Mahlberg, DE (1991)
- Malhberg, DE (1994)
Company Filing History:
2 out of 72 
1 out of 193 
Years Active: 1991-1994
Title: Walter Grau: Innovator in Flow-Control Valve Technology
Introduction
Walter Grau is a notable inventor based in Mahlberg, Germany. He has made significant contributions to the field of flow-control valve technology, holding a total of 3 patents. His innovative designs have enhanced the efficiency and functionality of various valve systems.
Latest Patents
One of his latest patents is the Ceramic-plate flow-control valve. This invention features a housing with a chamber that includes a port, a ceramic valve plate, and a ceramic control plate. The control plate can pivot relative to the valve plate, allowing for precise control of flow through the valve. Another significant patent is the Flow-control and shutoff valve. This valve includes a housing with an inlet and outlet port, a valve plate, and a control plate that can be pivoted to align or misalign the orifices for controlled flow.
Career Highlights
Walter Grau has worked with prominent companies in the industry, including Friedrich Grohe Armaturen-fabrik GmbH & Co. and Friedrich Grohe Aktiengesellschaft. His experience in these organizations has contributed to his expertise in valve technology and innovation.
Collaborations
Throughout his career, Walter has collaborated with notable individuals such as Friedrich Wagner and Harald Korfgen. These partnerships have fostered a creative environment that has led to the development of advanced valve technologies.
Conclusion
Walter Grau's contributions to flow-control valve technology demonstrate his innovative spirit and dedication to engineering excellence. His patents reflect a commitment to improving the functionality and efficiency of valve systems in various applications.