Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12013317 | Sampling zone isolation tool and method for groundwater sampling system | Jedidiah Eric Davis | 2024-06-18 |
| 10739264 | Soil imaging probe and method of processing soil image to detect hydrocarbon contamination | Ben Jaster, Blake G. Slater, Steven M. Colgrove | 2020-08-11 |
| 10371637 | Soil imaging probe and method of processing soil image to detect hydrocarbon contamination | Ben Jaster, Blake G. Slater, Steven M. Colgrove | 2019-08-06 |
| 7735553 | Snap-lock bushing for prepacked screens | Mike B. Carlin, David W. Cooper, Allen M. Paradis | 2010-06-15 |
| 7216725 | Soil sampling system and method that allow headspace screening at spaced intervals without disturbing soil sample | Lloyd E. Jacobs, David E. Turriff, John F. Schabron, Susan S. Sorini-Wong | 2007-05-15 |
| 7172036 | Soil sample containment device and method | Lloyd E. Jacobs, David E. Turriff, John F. Schabron, Susan S. Sorini-Wong | 2007-02-06 |
| 6877965 | Mechanical bladder pump | Wesley McCall, David G. Cooper | 2005-04-12 |
| 6772651 | Soil sampler liner with areas of reduced wall thickness | Gregory H. Scott, Michael E. Carlin | 2004-08-10 |
| 5639956 | Permeable membrane soil probe | — | 1997-06-17 |
| 5635653 | Ground water sampling device | Volker Wittig, Melvin P. Kejr | 1997-06-03 |
| 5612498 | Ground water sampling device | Volker Wittig, Melvin P. Kejr | 1997-03-18 |
| 5606139 | Soil sample probe with retaining ring for holding core-catching structure within the probe | Volker Wittig, Melvin P. Kejr | 1997-02-25 |
| 5503031 | Ground water sampling device | Gregory H. Scott, Melvin P. Kejr | 1996-04-02 |
| 5186263 | Soil sample probe | Melvin P. Kejr | 1993-02-16 |