Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10329713 | Method and arrangement for generating steam at a digester plant of a chemical pulp mill | Johan Engstrom, Paivi Ketonen | 2019-06-25 |
| 6638398 | Methods for the evaporation of an aqueous solution containing ammonia | Leif Ramm-Schmidt, Matti Laajaniemi | 2003-10-28 |
| 6068730 | Liquid distributor for evaporator | Leif Ramm-Schmidt, Veli Tiainen, Hemmo Eriksson | 2000-05-30 |
| 5927383 | Heat exchanger and a method for producing the same | Leif Ramm-Schmidt, Veli Tiainen | 1999-07-27 |
| 5904807 | Liquid distributor for an evaporator | Leif Ramm-Schmidt, Hemmo Eriksson, Veli Tiainen | 1999-05-18 |
| 5775410 | Heat exchanger | Leif Ramm-Schmidt, Hemmo Eriksson, Veli Tiainen | 1998-07-07 |
| 5770020 | Distillation apparatus | Reijo Rantala | 1998-06-23 |
| 5512141 | Distillation apparatus | Reijo Rantala | 1996-04-30 |