Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9366159 | Concentric camshaft phaser torsional drive mechanism | Mark M. Wigsten, David C. White | 2016-06-14 |
| 9297281 | Concentric camshaft phaser flex plate | Christopher J. Pluta | 2016-03-29 |
| 7311011 | Apparatuses for interaction with a subterranean formation, and methods of use thereof | Don Clark, Richard Lloyd Jones, Terry D. Turner, Joel M. Hubbell | 2007-12-25 |
| 6986281 | Exfiltrometer apparatus and method for measuring unsaturated hydrologic properties in soil | Joel M. Hubbell, Annette L. Schafer | 2006-01-17 |
| 6976386 | Tensiometer methods | Blair K. Grover, Joel M. Hubbell, William L. Casper | 2005-12-20 |
| 6938503 | Lysimeter apparatus | Don Clark, Eugene E. Erickson, William L. Casper, David M. Everett, Joel M. Hubbell | 2005-09-06 |
| 6920780 | Tensiometer, drive probe for use with environmental testing equipment, and methods of inserting environmental testing equipment into a sample | Joel M. Hubbell | 2005-07-26 |
| 6826972 | Lysimeter methods and apparatus | Don Clark, Eugene E. Erickson, William L. Casper, David M. Everett, Joel M. Hubbell | 2004-12-07 |
| 6772621 | Tensiometer methods and apparatus | Blair K. Grover, Joel M. Hubbell, William L. Casper | 2004-08-10 |
| 6761076 | Portable suction lysimeter | Joel M. Hubbell | 2004-07-13 |
| 6752007 | Horizontal advanced tensiometer | Joel M. Hubbell | 2004-06-22 |
| 6742405 | Deep Lysimeter | Joel M. Hubbell | 2004-06-01 |
| 6609434 | Method of retrieving a liquid sample, a suction lysimeter, a portable suction lysimeter, a lysimeter system, and a deep lysimeter | Joel M. Hubbell | 2003-08-26 |
| 6539780 | Self-compensating tensiometer and method | Joel M. Hubbell | 2003-04-01 |
| 6405588 | Monitoring well | Joel M. Hubbell | 2002-06-18 |
| 6308563 | Vadose zone isobaric well | Joel M. Hubbell | 2001-10-30 |
| 6289725 | Field matric potential sensor | Joel M. Hubbell | 2001-09-18 |
| 6263726 | Sidewall tensiometer and method of determining soil moisture potential in below-grade earthen soil | Joel M. Hubbell | 2001-07-24 |
| 5969242 | Isobaric groundwater well | Joel M. Hubbell | 1999-10-19 |
| 5915476 | Monitoring well | Joel M. Hubbell | 1999-06-29 |
| 5758538 | Tensiometer and method of determining soil moisture potential in below-grade earthen soil | Joel M. Hubbell, Earl D. Mattson | 1998-06-02 |
| 5644947 | Tensiometer and method of determining soil moisture potential in below-grade earthen soil | Joel M. Hubbell | 1997-07-08 |
| 5520248 | Method and apparatus for determining the hydraulic conductivity of earthen material | Thomas K. Honeycutt, Joel M. Hubbell | 1996-05-28 |
| 4209563 | Method for making random laid bonded continuous filament cloth | — | 1980-06-24 |