Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10352012 | Sheet piling and installation method | Steven E. Hargrave | 2019-07-16 |
| 9593456 | Sheet piling and installation method | Steven E. Hargrave | 2017-03-14 |
| 9528241 | Barrier panel interlock sealing system and method | Steve HARGRAVE, Charles B. Brown, Anthony Parise | 2016-12-27 |
| 8753043 | Active gripping sheet piling installation system and method | Steven E. Hargrave | 2014-06-17 |
| 8419317 | System and method for installing sheet piles | Steven E. Hargrave, Charles B. Brown | 2013-04-16 |
| 7393482 | Process for applying sleeve to pole and sleeved pole | — | 2008-07-01 |
| 7059807 | Elongated structural members for use in forming barrier walls | — | 2006-06-13 |
| 7056066 | Apparatus and method for inserting sheet piles into a soil formation | — | 2006-06-06 |
| 7025539 | Sheet pile for forming barrier walls | — | 2006-04-11 |
| 6053666 | Containment barrier panel and method of forming a containment barrier wall | John J. Yeosock | 2000-04-25 |
| 6033155 | Reinforced structure panel for forming barrier walls | John J. Yeosock | 2000-03-07 |
| D420154 | Reinforced structural panel for forming barrier walls | John J. Yeosock | 2000-02-01 |
| 6000883 | Sheet piling extrusion | John J. Yeosock | 1999-12-14 |
| 5881508 | Decking extrusion | John J. Yeosock, Steve HARGRAVE | 1999-03-16 |
| 5145287 | Plastic panel erosion barrier | Jefferson E. Hooper | 1992-09-08 |