Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9874220 | Anti-swirl device | — | 2018-01-23 |
| 8398825 | Remotely-operated mode shifting apparatus for a combination fluid jet decoking tool, and a tool incorporating same | Lloyd D. Hanson, Andrew Worley | 2013-03-19 |
| 6644567 | Remotely operated cutting mode shifting apparatus for a combination fluid jet decoking tool | Jay Roger Clark, Lloyd D. Hanson, Martin Prescott, Robert M. Purton, Richard Tran | 2003-11-11 |
| D385009 | Tool for untangling backlashed fishing line | Thomas W. Hopkins | 1997-10-14 |
| 4738399 | Decoking tool | — | 1988-04-19 |