Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8360369 | Emergency collective actuator and method for a helicopter | John E. Mercer | 2013-01-29 |
| 7524160 | Hydrokinetic speed governor | Jack J. Kolle | 2009-04-28 |
| 7201238 | Low friction face sealed reaction turbine rotors | Jack J. Kolle | 2007-04-10 |
| 7198456 | Floating head reaction turbine rotor with improved jet quality | Jack J. Kolle | 2007-04-03 |
| 7139219 | Hydraulic impulse generator and frequency sweep mechanism for borehole applications | Jack J. Kolle, Kenneth J. Theimer | 2006-11-21 |
| 6318194 | Furnace tube inspection apparatus | David H. Bothell, Steven Robert Lalumandier, John William Hoose, Thomas Cowling | 2001-11-20 |
| 6237701 | Impulsive suction pulse generator for borehole | Jack J. Kolle | 2001-05-29 |
| 5704824 | Method and apparatus for abrasive water jet millins | Mohamad Hashish, David O. Monserud, Steven J. Craigen, Paul H. Tacheron, David H. Bothell +2 more | 1998-01-06 |
| 4936059 | Abrasive swivel assembly and method | Mohamed A. Hashish | 1990-06-26 |
| 4854091 | Abrasive swivel assembly and method | Mohamed A. Hashish | 1989-08-08 |