Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8770237 | Vapor recovery pump regulation of pressure to maintain air to liquid ratio | David Bolt, Dale Spence, David Jonathan Hassell, John Layne, Lindsay Bruce Dalziel | 2014-07-08 |
| 8387646 | Double-walled contained shear valve, particularly for fueling environments | David Bolt, Shane Reese, Kent Reid | 2013-03-05 |
| 8096315 | Double-walled contained shear valve, particularly for fueling environments | David Bolt, Shane Reese, Kent Reid | 2012-01-17 |
| 7753067 | Shear valve employing two-stage poppet valve, particularly for use in fueling environments | David Bolt, Shane Reese, Kent Reid | 2010-07-13 |
| 7681583 | Double-walled contained shear valve, particularly for fueling environments | David Bolt, Shane Reese, Kent Reid | 2010-03-23 |
| 6129529 | Liquid petroleum gas submersible electric motor driven pump and drive coupling therefor | David S. Young | 2000-10-10 |