Ekono Oy
8Patents
0Active
8Granted
27Portfolio score
Filing activity: Apr 4, 1977 → Sep 11, 1992
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4135567A | Method of evaporating and/or concentrating water-containing liquids | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5197201A | Process for drying timber | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4894217A | Process for causticizing of an aqueous solution containing alkali carbonate | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4530737A | Method for use in recompression evaporation of a solution | Performing Operations; Transporting | 6 | Expired |
| US4416422A | Steplessly adjustable device for injecting black liquor into a soda digester | Performing Operations; Transporting | 5 | Expired |
| US4764251A | Method for the impregnation and cooking of lignocellulosic material by a batch cooking using spent impregnation liquor from a previous batch | Textiles; Paper | 5 | Expired |
| US4608121A | Process for continuous digestion of finely-divided material with heat capacity flows of substantially the same magnitude | Textiles; Paper | 5 | Expired |
| US4124438A | Method of and apparatus for improving the heat exchange in natural-circulation and flow-through evaporators | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.