Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6460399 | Compression test method and apparatus for determining granule strength | Willem Johan Beekman, Gabriel Marinus Henricus Meesters | 2002-10-08 |
| 6457345 | Repeated impact apparatus and method for characterizing granule strength | Mark S. Gebert, Ramanan Pitchumani, Willem Johan Beekman, Gabriel Marinus Henricus Meesters | 2002-10-01 |
| 6173601 | Method and device for characterizing granule strength | Willem Johan Beekman, Gabriel Marinus Henricus Meesters | 2001-01-16 |
| 6035716 | Method and device for characterizing granule strength | Willem Johan Beekman, Gabriel Marinus Henricus Meesters | 2000-03-14 |