Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5911819 | Cement spraying admixture | Bernhard Leikauf, Max Oppliger | 1999-06-15 |
| 5753037 | Fluidity control of cementitious compositions | Max Oppliger, Salvatore Valenti | 1998-05-19 |
| 5609681 | Workable cementitious compositions | Tom Melbye, Odd M. Tjugum, Salvatore Valenti | 1997-03-11 |
| 5494516 | Workable cementitious compositions | Tom Melbye, Odd M. Tjugum, Salvatore Valenti | 1996-02-27 |
| 5413819 | Shotcrete compositions | — | 1995-05-09 |
| 5356671 | Concrete spraying process | — | 1994-10-18 |