Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12332174 | Method and system for determination of starch in a sample | Lari Vähäsalo, Marjatta Piironen | 2025-06-17 |
| 12332612 | Method and system for monitoring a process | Marjatta Piironen, Torsten HAVERINEN-NIELSEN, Vesa-Matti TIKKALA | 2025-06-17 |
| 12202756 | Method and system for controlling hydrophobic conditions and fouling in water intensive processes | Mehrdad Hesampour, Roderick Abinet, Marjatta Piironen, Eija Korte | 2025-01-21 |
| 12174612 | Estimating risk level in an aqueous process | Marjatta Piironen | 2024-12-24 |
| 12072279 | Method for estimating the vapor phase corrosion load | Marko Kolari | 2024-08-27 |
| 12043559 | Method and system for monitoring properties of an aqueous stream | Marjatta Piironen, Eija Saari, Jukka-Pekka Sirviö, Seppo Tuomivaara | 2024-07-23 |
| 12044607 | Monitoring and controlling hydrophobic components in a pulp process | Marjatta Piironen, Andy Bergeron, Travis Bjerketvedt | 2024-07-23 |
| 11866356 | Method and system for controlling hydrophobic conditions and fouling in water intensive processes | Mehrdad Hesampour, Roderick Abinet, Marjatta Piironen, Eija Korte | 2024-01-09 |
| 11859347 | Method for predicting or controlling microbial status of a paper or board making process | Marko Kolari, Marjatta Piironen | 2024-01-02 |
| 11692312 | Pulp quality monitoring | Marjatta Piironen, Lari Vähäsalo | 2023-07-04 |
| 11046590 | Method and an apparatus for monitoring and controlling deposit formation | Marjatta Piironen, Mehrdad Hesampour, Jaakko Ekman | 2021-06-29 |
| 10988392 | Method and system for optimization of coagulation and/or flocculation in a water treatment process | Marjatta Piironen, Mehrdad Hesampour | 2021-04-27 |
| 10139330 | Method and system for analyzing solid matter containing liquids and monitoring or controlling processes containing such liquids | Lari Vähäsalo, Eija Saari, Marjatta Piironen | 2018-11-27 |
| 9989476 | Optical determination of anionic charge in a process stream | Lari Vähäsalo, Marjatta Piironen | 2018-06-05 |
| 9970919 | Method and device for monitoring and controlling the state of a process stream | Pekka Ilmola, Kaj Jansson, Marjatta Piironen | 2018-05-15 |
| 9341560 | Device and method for monitoring biocide dosing in a machine | Marko Kolari, Tuija Suhonen, Jukka-Pekka Sirviö | 2016-05-17 |
| 9304120 | Method and system for analyzing a liquid sample containing particles of solid matter and the use of such a method and system | Marjatta Piironen | 2016-04-05 |
| 8515581 | Method and device arrangement for automatic dose control of chemicals | Eila Piironen, Esko Juuso, Aki Sorsa | 2013-08-20 |