Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7222668 | Sample extraction system for boreholes | James Gerard Pianosi, Jamieson Edward Champ | 2007-05-29 |
| 6843119 | Apparatus for measuring and recording data from boreholes | Ronald Ernest Russell Patey | 2005-01-18 |
| 6758274 | Sample extraction system for boreholes | John Howard Parent, Jamieson Edward Champ | 2004-07-06 |
| 6550321 | Apparatus for measuring and recording data from boreholes | Ronald Ernest Russell Patey, Kevin Allan Dooley | 2003-04-22 |
| 6158276 | Apparatus for measuring and recording data from boreholes | Ronald Ernest Russell Patey, Kevin Allan Dooley | 2000-12-12 |
| 5237857 | Down-hole liquid detecting apparatus | Andrew R. Dobson, Richard J. Belshaw | 1993-08-24 |
| 5195583 | Borehole packer | Donald A. Toon | 1993-03-23 |
| 5048605 | Packing-seal for boreholes | Donald A. Toon, Peter F. Kuryllowicz, John A. Cherry, Paul E. Johnson | 1991-09-17 |
| 5031452 | Water level probe | Andrew R. Dobson, Donald A. Toon | 1991-07-16 |
| 4989452 | Liquid-level detector | Donald A. Toon | 1991-02-05 |
| 4928541 | Groundwater sampling apparatus | Donald A. Toon | 1990-05-29 |
| 4902976 | Probe for detecting the presence of magnetic material in a ground hole | Donald A. Toon, Peter F. Kuryllowicz | 1990-02-20 |