Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10077914 | Soil infrastructure systems for sustainable and integrated economic and environmental performance | — | 2018-09-18 |
| 9296661 | Controlled-release fertilizer composition substantially coated with an impermeable layer | — | 2016-03-29 |
| 6749368 | Design, monitoring and control of soil carburetors for degradation of volatile compounds | James A. Kelsey | 2004-06-15 |
| 6467994 | Apparatus and method for beneficial use or handling of run-off or collected water | James A. Kelsey | 2002-10-22 |
| 6139221 | Constant hydraulic head moat and method for controlling regional ground water flow | Jeffrey R. Forbes | 2000-10-31 |
| 5421672 | Means and method for hydraulically isolating unsaturated zones in soil | Mark E. Burkhard | 1995-06-06 |
| 5299140 | Means and method for measurement of porous materials | Mark E. Burkhard | 1994-03-29 |
| 5161407 | Means and method of soil water desorption | Hugh J. Brown, Richard M. Cruse | 1992-11-10 |
| 5157959 | Automated ponded infiltrometer | Tom Kaspar, Mark Prieksat | 1992-10-27 |
| 4884436 | Automated tension infiltrometer | Thomas C. Kaspar, Robert Horton | 1989-12-05 |