Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8079829 | Submerged DC brushless motor and pump | Mark C. Johnson, Jason Addink, Scott D. Klopfenstein, Gregory Young | 2011-12-20 |
| 7513755 | Submerged motor and pump assembly | Mark C. Johnson, Jason Addink, Scott D. Klopfenstein, Gregory Young | 2009-04-07 |
| 6604548 | Safety valve | — | 2003-08-12 |
| 6427516 | Leak detector | — | 2002-08-06 |
| 6363962 | Crash valve actuator | — | 2002-04-02 |
| 6269678 | Leak detector | — | 2001-08-07 |
| 5704828 | Saw blade with sanding surface | Gregory Young | 1998-01-06 |
| 5529528 | Saw blade with sanding surface | Gregory Young | 1996-06-25 |
| 5157958 | Method for testing a leak detector | — | 1992-10-27 |
| 5042290 | Isolator for leak detector tester | — | 1991-08-27 |
| 4966190 | Check valve for a leak detector | — | 1990-10-30 |
| 4872490 | Gas evacuation apparatus for underground liquid storage tanks and method | — | 1989-10-10 |