Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8784088 | Auger feeder for concrete mix, and slipform-casting apparatus | Tapio Kukka, Heikki LEHTONEN, Lassi Jarvinen, Jani EILOLA | 2014-07-22 |
| 8105067 | Method and apparatus for casting concrete products | Lassi Jarvinen | 2012-01-31 |
| 7992281 | Method and apparatus for attaching a lifting lug to a concrete product | Lassi Jarvinen | 2011-08-09 |
| 7708917 | Method and apparatus for casting concrete elements | Lassi Jarvinen | 2010-05-04 |
| 6911165 | Method for fabricating concrete slabs using a horizontal slip casting process | Tarmo Sahala, Lassi Jarvinen | 2005-06-28 |
| 6878315 | Method and apparatus for casting a concrete product | Lassi Jarvinen | 2005-04-12 |
| 6849211 | Method for fabricating a concrete product | Lassi Jarvinen, Arto Lähteenmäki | 2005-02-01 |
| 6841110 | Method and plant for manufacturing prestressed concrete products | Heikki Kankkunen | 2005-01-11 |
| 6841100 | Method for casting a concrete product | — | 2005-01-11 |
| 4778371 | Apparatus for forming frogs in the sides of a concrete element | — | 1988-10-18 |
| 4773838 | Slipforming extruder for casting concrete slabs | — | 1988-09-27 |