This inventor holds 13 USPTO granted patents and 3 EPO patents. Top assignees: Oy Finnpulva Ab, Micropulva Ltd Oy, Kemira Oy. Active years: 1983-2018.
Location History:
- SF-33960 Pirkkala FI (1985)
- SF-33960 Pirkkala, FI (1986)
- Pirkkala, FI (1983 - 2018)
Company Filing History:
5 out of 5 
3 out of 3 
1 out of 53 Years Active: 1983-2018
Title: Jouko Niemi: Innovator in Coal Ash Refinement
Introduction
Jouko Niemi is a notable inventor based in Pirkkala, Finland, recognized for his contributions to the field of coal ash refinement. With a total of 13 patents to his name, Niemi has developed innovative methods that enhance the processing of coal ash produced in power plants and other combustion processes. His work focuses on separating valuable components from waste materials, thereby promoting sustainability in energy production.
Latest Patents
Niemi's latest patents include a method for refining coal ash generated in power plants. This method involves the industrial refining of coal ash by separating coal from the ashes and recovering a substantially coal-free ash fraction. The process utilizes an efficient dispersion technique to create a slurry mixture, which is then subjected to flotation to separate coal-rich and siliceous fractions. Another significant patent details a method for refining coal ash by separating carbonaceous products and regenerating siliceous ash products. This innovative approach allows for the reuse of carbonaceous materials while producing nearly carbon-free silicate ash products.
Career Highlights
Throughout his career, Jouko Niemi has worked with various companies, including Oy Finnpulva Ab. His expertise in coal ash processing has positioned him as a key figure in the development of sustainable practices within the energy sector. Niemi's patents reflect his commitment to improving industrial processes and reducing environmental impact.
Collaborations
Niemi has collaborated with notable individuals in his field, including Risto Mannonen and Jarkko Tamminen. These partnerships have contributed to the advancement of his innovative methods and the successful implementation of his patented technologies.
Conclusion
Jouko Niemi's work in coal ash refinement exemplifies the importance of innovation in promoting sustainability within the energy industry. His patents and career achievements highlight his significant contributions to the field, making him a prominent inventor in the realm of environmental technology.