Company Filing History:
4 out of 10 
1 out of 4 
1 out of 10 Years Active: 1994-2002
Title: Innovations by Alan Lonneman: A Pioneer in Water Purification Technology
Introduction
Alan Lonneman, an accomplished inventor based in Plymouth, MN, has made significant contributions to water purification technology with a total of nine patents to his name. His work reflects a commitment to creating solutions that enhance the efficiency and effectiveness of water treatment systems.
Latest Patents
Among his latest innovations is a cartridge designed for a water purification and treatment system. This invention includes a dripless purification manifold and cartridge, which allows for cartridge replacements without having to drain the system at the input and output ports. The design features interlocking flanges that securely lock the cartridge to the manifold, utilizing raised surfaces at the cartridge that operate the inlet valve during the cartridge's rotational seating. Furthermore, a spring-biased inlet valve works alongside the filter cartridge to prevent flow until the cartridge is firmly seated. A unique check valve mechanism, which includes a split stem to avoid chatter during operation, collaborates with a sealed bayonet fitting at the output port to ensure backflow prevention when replacing the cartridge.
Career Highlights
Throughout his career, Alan has worked with prominent companies such as Pentapure Incorporated and WTC Industries, Inc., where he has honed his skills and contributed to innovative projects in the field of water treatment technology. His experience in these organizations has provided him insights that fuel his inventive spirit and drive for innovation.
Collaborations
Alan has also had the opportunity to collaborate with noteworthy colleagues, including Jan H. Magnusson and David M. Botts. These partnerships have allowed him to leverage diverse experiences and expertise, enhancing the impact of his inventions and the advancements in water purification systems.
Conclusion
Alan Lonneman's dedication to improving water purification technologies through his innovative patents showcases his significant role as an inventor. His work not only highlights his inventive prowess but also serves as a catalyst for advancements in clean water solutions. As he continues to innovate, his contributions will undoubtedly leave a lasting impact on the industry.