Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8328470 | Apparatus and method for ground improvement | Stephen A. Maher | 2012-12-11 |
| 8221034 | Methods of providing a support column | Alan L. Moxhay, Nathaniel S. Fox, Gale M. Peterson | 2012-07-17 |
| 8155919 | Construction modulus testing apparatus and method | John Hildreth, Barry Sherlock | 2012-04-10 |
| 8128319 | Shielded tamper and method of use for making aggregate columns | — | 2012-03-06 |
| 8079780 | Slotted mandrel for lateral displacement pier and method of use | Gale M. Peterson | 2011-12-20 |
| 8043028 | Apparatus for providing a support column | Alan L. Moxhay, Nathaniel S. Fox, Gale M. Peterson | 2011-10-25 |
| 7963724 | Method of providing a support column | Alan L. Moxhay, Nathaniel S. Fox | 2011-06-21 |
| 7604437 | Method and apparatus for creating support columns using a hollow mandrel with upward flow restrictors | Brian C. Metcalfe | 2009-10-20 |
| 7488139 | Pyramidal or conical shaped tamper heads and method of use for making rammed aggregate piers | — | 2009-02-10 |
| 7326004 | Apparatus for providing a rammed aggregate pier | Alan L. Moxhay, Nathaniel S. Fox | 2008-02-05 |