Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8008931 | Method and device for monitoring the operation of a flotation cell | Pekka Parvinen, Veikko Eronen | 2011-08-30 |
| 6805243 | Flotation machine rotor and method of operation | Virendra Mody | 2004-10-19 |
| 6327916 | Apparatus and method for measuring the flow characteristics of a slurry | William F. Schwartz, Kenneth Engquist, Daniel P. Monchak, Alexander Probst | 2001-12-11 |
| 5923012 | Flotation method and apparatus for treatment of cyclone sands | Peter Bourke, David W. Taylor, Timo Niitti | 1999-07-13 |
| 5909022 | Dual outlet pulp level control system for flash flotation devices | Peter Bourke | 1999-06-01 |
| 5251764 | Flotation machine | Timo Niitti | 1993-10-12 |
| 5039400 | Flotation machine | Pertti V. O. Koivistoinen, Seppo Rantanen | 1991-08-13 |
| 4624777 | Flotation machine | Tauno J. Vahasarja, Arvo Repo | 1986-11-25 |
| 4612113 | Repeating flotation machine | — | 1986-09-16 |