Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7395760 | Device, system and method for on-line explosive deslagging | Francis Zilka, Timothy Zilka, Donald Howard | 2008-07-08 |
| 6755156 | Device, system and method for on-line explosive deslagging | Francis Zilka, Timothy Zilka, Donald Howard, Christopher Scaringe, William Youngs | 2004-06-29 |
| 6644201 | Device, system and method for on-line explosive deslagging | Francis Zilka, Timothy Zilka, Donald Howard, Christopher Scaringe, William Youngs | 2003-11-11 |
| 6604468 | Device, system and method for on-line explosive deslagging | Francis Zilka, Timothy Zilka, Donald Howard | 2003-08-12 |
| 6431073 | Device, system and method for on-line explosive deslagging | Francis Zilka, Timothy Zilka, Donald Howard | 2002-08-13 |
| 6321690 | Device, system and method for on-line explosive deslagging | Francis Zilka, Timothy Zilka, Donald Howard, Christopher Scaringe, William Youngs | 2001-11-27 |
| 5769034 | Device, system and method for on-line explosive deslagging | Frank Zilka, Tim Zilka, Don Howard | 1998-06-23 |