Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5110057 | Method of high performance jaw crushing | Vijia Kumar Karra, Scot E. Szalanski | 1992-05-05 |
| 5042732 | Apparatus for high-yield low-waste conical crushing | Vijia Kumar Karra | 1991-08-27 |
| 4967967 | Method of high crushing force conical crushing | Vijia Kumar Karra | 1990-11-06 |
| 4956078 | Feed prestratification attachment for high efficiency vibratory screening | Vijia Kumar Karra, Scott E. Szalanski, John A. Gieschen | 1990-09-11 |
| 4750679 | Apparatus for energy efficient comminution | Vijia Kumar Karra | 1988-06-14 |
| 4671464 | Method and apparatus for energy efficient comminution | Vijia Kumar Karra | 1987-06-09 |