Company Filing History:
6 out of 154 
3 out of 32 
Years Active: 1997-2012
Title: Inventor Spotlight: Donald N. Ruehrwein
Introduction
Donald N. Ruehrwein, an innovative inventor based in Batavia, IL, has made significant contributions to fluid mixing technology. With a total of nine patents to his name, his work primarily focuses on enhancing water distribution and mixing systems.
Latest Patents
Among his latest patents is a method for mixing fluid in a tank, utilizing a draft tube mixing system. This design features a new draft tube mixing arrangement within a drinking water distribution reservoir. An intermediate opening in the draft tube allows water to flow seamlessly between the central passage and an intermediate portion of the tank. Directional walls at the intermediate opening guide the flow, and a check valve prevents undesirable water exchange between sections. Additionally, a venturi portion on the draft tube facilitates the drawing of water from the intermediate tank area. Another notable patent is for a liquid storage tank, which encompasses similar innovative features aimed at improving water quality and distribution.
Career Highlights
Donald N. Ruehrwein has garnered a wealth of experience during his career. He has worked with prominent organizations, including the Chicago Bridge & Iron Company and Chicago Bridge & Iron Technical Services Company, where he contributed to various engineering projects that required his expertise in fluid dynamics and water treatment systems.
Collaborations
Throughout his professional journey, Donald has collaborated with talented individuals like Daniel H. Phillips and John J. Fassbender. These partnerships have fostered an environment of creativity and innovation, leading to advancements in their respective fields.
Conclusion
Donald N. Ruehrwein exemplifies the spirit of innovation in the engineering and fluid dynamics sector. His nine patents reflect a deep commitment to improving water distribution and mixing systems. As he continues to develop new technologies, his contributions will undoubtedly have a lasting impact on both the industry and the communities that benefit from clean and efficiently distributed drinking water.
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.