Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6793467 | Thick matter pump | — | 2004-09-21 |
| 6244477 | Device for pouring out concrete | — | 2001-06-12 |
| 5993181 | Process and device for feeding concrete or other thick materials | — | 1999-11-30 |
| 5913323 | Device and method for pumping concrete | — | 1999-06-22 |
| 4900154 | Concrete mixer having means for determining the consistency of concrete mixing therein | Franz Waitzinger | 1990-02-13 |
| 4614483 | Device for sealing a concrete pump | — | 1986-09-30 |
| 4585356 | Concrete mixer truck | — | 1986-04-29 |
| 4544275 | Concrete mixer truck | — | 1985-10-01 |
| 4522499 | Concrete mixer | — | 1985-06-11 |
| 4490045 | Concrete mixer | — | 1984-12-25 |
| 4478514 | Vibrating concrete mixer | — | 1984-10-23 |