Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10072443 | Pressure vessel safety lock apparatus | Cliff LaFrenz, Chris Gramling | 2018-09-11 |
| 8985646 | Pressure vessel safety lock apparatus | Cliff LaFrenz, Chris Gramling | 2015-03-24 |
| 8905816 | Blast machine system controller | Chris Gramling | 2014-12-09 |
| 7717645 | Adjustable physical structures for producing hydraulic formations for whitewater recreationalists | — | 2010-05-18 |
| 7708494 | Water diversion system and method having hydraulic chute, screen assembly and wedge wire screen | — | 2010-05-04 |