Location History:
- Espoo, FI (2000 - 2014)
- Helsinki, FI (1996 - 2020)
Company Filing History:
2 out of 173 
2 out of 19 
1 out of 3 
Years Active: 1996-2025
Title: Tatu Miettinen: Innovator in Froth Flotation Technology
Introduction
Tatu Miettinen is a notable inventor based in Espoo, Finland. He has made significant contributions to the field of mineral processing, particularly through his innovative designs in froth flotation technology. With a total of six patents to his name, Miettinen has established himself as a key figure in the industry.
Latest Patents
Miettinen's latest patents include a froth flotation unit designed for treating mineral ore particles suspended in slurry. This unit features a tank, a gas supply for introducing flotation gas into the slurry to form froth, and a first froth collection launder with a froth overflow lip facing the center of the tank. The froth flotation unit has a pulp area of at least 15 mm measured at a mixing area. Additionally, it includes a second froth collection launder with a froth overflow lip facing the perimeter of the flotation tank, along with a froth blocker positioned between the two overflow lips. Another patent focuses on a froth collection launder that consists of a first and second sidewall joined to form a bottom with a tip extending along it. This design ensures efficient froth collection during mineral flotation processes.
Career Highlights
Throughout his career, Tatu Miettinen has worked with prominent companies such as Outotec (Finland) Oy and Raisio Nutrition Ltd. His experience in these organizations has allowed him to refine his expertise in mineral processing and flotation technologies.
Collaborations
Miettinen has collaborated with several professionals in his field, including Ingmar Wester and Jere Tuominen. These partnerships have contributed to the advancement of his innovative projects and patents.
Conclusion
Tatu Miettinen's work in froth flotation technology showcases his dedication to innovation in mineral processing. His patents reflect a deep understanding of the complexities involved in treating mineral ore particles, making him a valuable contributor to the industry.