Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698789 | Method and device for measuring the properties of granular earth materials | Kai Juhani Lainio | 1997-12-16 |
| 4959994 | Method of and an arrangement for measuring the properties of a stiff mass to be compacted | — | 1990-10-02 |
| 4930346 | Method for the determination of the properties of mouldable materials, particularly for the determination of the plastic and reologic properties thereof | Erik T. Nordenswan, Heikki Rantanen | 1990-06-05 |
| 4794799 | Method of and an apparatus for measuring the properties, particularly the compactibility of a stiff mass to be cast | — | 1989-01-03 |
| 4718839 | Apparatus for producing a concrete product prestressed in at least two directions | — | 1988-01-12 |
| 4668447 | Method and device for the casting of concrete products | — | 1987-05-26 |
| 4640074 | Concrete building unit of a sandwich structure and a truss element and an insulating plate for such a building unit | — | 1987-02-03 |
| 4574064 | Method for continuous casting of objects out of a high-viscosity casting mix | — | 1986-03-04 |
| 4539165 | Method for the casting of large-size objects out of a high-viscosity concrete mix | — | 1985-09-03 |