Issued Patents All Time
Showing 1–25 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9352290 | Device and method for dispersing two solutions in each other in solvent extraction | Stig-Erik Hultholm, Eero Ekman, Bror Nyman | 2016-05-31 |
| 9138698 | Impeller for mixing slurry in metallurgical processes | Jari Tiihonen, Bror Nyman, Tuomas Hirsi, Jussi Vaarno, Jouko Peräaho | 2015-09-22 |
| 8133442 | Method to enhance clarification in a mixing reactor and said mixing reactor | Bror Nyman | 2012-03-13 |
| 8020710 | Method and equipment for liquid-liquid extraction | Bror Nyman, Eero Ekman, Stig-Erik Hultholm, Pertti Pekkala, Juhani Lyyra +1 more | 2011-09-20 |
| 7678275 | Method and equipment for liquid-liquid extraction | Bror Nyman, Eero Ekman, Stig-Erik Hultholm, Pertti Pekkala, Juhani Lyyra +1 more | 2010-03-16 |
| 7517461 | Method and equipment to control separation of a dispersion liquid-liquid extraction | Bror Nyman, Stig-Erik Hultholm, Eero Ekman, Juhani Lyyra, Pertti Pekkala +1 more | 2009-04-14 |
| 7465402 | Method and equipment for guiding dispersion in liquid-liquid extraction | Bror Nyman, Stig-Erik Hultholm, Eero Ekman, Juhani Lyyra, Pertti Pekkala +1 more | 2008-12-16 |
| 7390420 | Method and equipment for compressing a dispersion in liquid-liquid extraction | Bror Nyman, Stig-Erik Hultholm, Eero Ekman, Juhani Lyyra, Pertti Pekkala +1 more | 2008-06-24 |
| 7070174 | Mixing apparatus for mixing gas in a closed reactor | Stig-Erik Hultholm, Mikko Juusela, Bror Nyman | 2006-07-04 |
| 6991111 | Flotation mechanism and cell | Bror Nyman, Heikki Oravainen | 2006-01-31 |
| 6805734 | Compact cascade scrubber for scrubbing exhaust gas | Pasi J. Maatta, Pekka Niemelä, Timo Nivala, Bror Nyman | 2004-10-19 |
| 6799683 | Flotation mechanism and method for dispersing gas and controlling flow in a flotation cell | Seppo S. Jounela, Bror Nyman | 2004-10-05 |
| 6706186 | Method for extracting copper from an aqueous solution | Bror Nyman, Stig-Erik Hultholm, Esa Lindell, Eero Ekman, Juhani Lyyra +2 more | 2004-03-16 |
| 6432370 | Method and apparatus for controllably conducting a solution, obtained from liquid-liquid extraction of two solutions and mixed into dispersion, to a wide settler | Bror Nyman, Stig-Erik Hultholm, Juhani Lyyra, Raimo Kuusisto, Petri Taipale +1 more | 2002-08-13 |
| 6267900 | Method and apparatus for adjusting the boundary surface between two controllably flowing and mutually separable and for conducting both solutions out of the separation part | Bror Nyman, Stig-Erik Hultholm, Juhani Lyyra, Raimo Kuusisto, Petri Taipale +1 more | 2001-07-31 |
| 6238457 | Method for feeding and directing reaction gas and solids into a smelting furnace and a multiadjustable burner designed for said purpose | Ismo Holmi, Tuomo Jokinen, Jussi Sipilä, Pekka Tuokkola, Vesa Torola +1 more | 2001-05-29 |
| 6176608 | Method and apparatus for conducting the two solutions of liquid-liquid extraction, mixed into dispersion, in a controlled fashion into the separation part | Bror Nyman, Stig-Erik Hultholm, Juhani Lyyra, Raimo Kuusisto, Petri Taipale +1 more | 2001-01-23 |
| 6149715 | Method for scrubbing gases | Veli Keinanen, Pekka Niemelä, Janne Ollila | 2000-11-21 |
| 6132615 | Method and apparatus for creating controlled flows in two mutually separable solutions | Bror Nyman, Stig-Erik Hultholm, Juhani Lyyra, Raimo Kuusisto, Petri Taipale +1 more | 2000-10-17 |
| 6102990 | Multistep gas scrubber apparatus | Veli Keinanen, Pekka Niemelä, Janne Ollila | 2000-08-15 |
| 6099301 | Feed apparatus for batch preparation feed mixture for feeding into smelting furnace | Matti Elias Honkaniemi, Pekka Niemelä, Risto M. Heikkila, Martti Jankkila | 2000-08-08 |
| 6083400 | Method and apparatus for recirculating a heavier solution from the separation part of two separable solutions into a mixing unit | Bror Nyman, Stig-Erik Hultholm, Juhani Lyyra, Raimo Kuusisto, Petri Taipale +1 more | 2000-07-04 |
| 5679263 | Method and apparatus for producing feed mixture | Martti Johannes Jormanainen, Valto J. Makitalo | 1997-10-21 |
| 5662871 | Method for extracting metals from large solution flows and apparatus for realizing the same | Bror Nyman, Valto J. Makitalo, Sti-Erik Hultholm, Timo Saarenpaa | 1997-09-02 |
| 5549854 | Method and apparatus for forming controlled vortexes and for recirculating gas | Stig-Erik Hulthom, Valto J. Makitalo, Bror Nyman | 1996-08-27 |