Location History:
- Bloomington, MN (US) (1992)
- Lakeville, MN (US) (1999)
- Minneapolis, MN (US) (2004 - 2023)
Company Filing History:
6 out of 661 
1 out of 21 
2 out of 832,843 Years Active: 1992-2023
Title: Innovations by Inventor Todd L Johnson
Introduction
Todd L Johnson, an innovative inventor based in Minneapolis, MN, has made significant contributions to the field of pump technology. With a total of seven patents to his name, Johnson's inventive spirit has led to advancements that enhance the efficiency and reliability of various pumping systems.
Latest Patents
Among his most recent inventions is the "Overmolded Diaphragm for Use in a Pump." This innovative diaphragm features a cover designed to contact the fluid being pumped and a backing partially housed within the cover. The flexible plate of the backing extends outward from the core, allowing for necessary flex during diaphragm reciprocation. The unique composition of the cover from one polymer and the flexible plate from another enhances the diaphragm's performance.
Another notable patent is the "High-pressure to Low-pressure Changeover Valve for a Positive Displacement Pump." This invention describes a positive displacement pump that operates through two fluid flow paths and incorporates two center sections featuring a common fluid valve and a changeover valve. The ingenious design enables the pump to function in low-pressure mode as a conventional positive displacement pump, while in high-pressure mode, it optimally utilizes the common fluid valve to elevate the outlet fluid pressure.
Career Highlights
Todd L Johnson's career has seen him work with leading companies such as Graco Minnesota Inc. and Vital Images, Inc. His expertise has allowed him to apply his innovative thinking to solve practical challenges in the engineering and manufacturing sectors.
Collaborations
Throughout his career, Johnson has collaborated with esteemed colleagues, including Ronald A Flor and Bradley H Hines. Such collaborations have undoubtedly contributed to the development of his patent portfolio and innovation-driven projects.
Conclusion
With a robust collection of patents and a commitment to advancing pump technology, Todd L Johnson stands out as a notable figure in the world of innovation. His latest inventions demonstrate both creativity and functionality, paving the way for enhanced pumping solutions in various applications.