Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12427531 | Sand used in industry | Toni WESIN, Kalle KEKÄLÄINEN | 2025-09-30 |
| 12343733 | Reclamation of waste sand | Toni WESIN | 2025-07-01 |
| 11565308 | Cleaning sand used at foundry | Timo Kronqvist, Toni WESIN | 2023-01-31 |
| 6814940 | Process for pyrolyzing carbonaceous feedstocks | Jyrki Hiltunen, Steven Gust | 2004-11-09 |
| 6294104 | Liquid for the prevention of freezing of aircrafts and runways | Antti Ilves, Heikki Reijonen | 2001-09-25 |
| 5665211 | Electrolysis apparatus for producing hydrogen | Jyrki Rainer Leppanen | 1997-09-09 |
| 5128221 | Storage battery | Toivo Karn/a, Asko Maisti, Ahti Kemppi, Esko Savolainen | 1992-07-07 |
| 5037671 | Procedure and means for manufacturing storage battery plates | Toivo Karna, Frey Fredenberg, Timo Niemi, Matti Luukka | 1991-08-06 |
| 4973533 | Gas vault structure for a storage battery | Asko Maisti, Toivo Karna, Ahti Kemppi, Esko Savolainen, Niilo Jaasko | 1990-11-27 |
| 4966346 | Mounting fixture for storage battery | Toivo Karna, Asko Maisti, Hannu Kahonen | 1990-10-30 |