Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11585081 | Border security barrier | — | 2023-02-21 |
| 10889977 | Border security barrier | — | 2021-01-12 |
| 7909541 | Apparatus and method for improved grout containment in post-grouting applications | Philip G. King | 2011-03-22 |
| 6942429 | Post-stressed pile | Philip G. King | 2005-09-13 |
| 6892834 | Piloted drill barrel and method of using same | — | 2005-05-17 |
| 6869255 | Post-stressed pile | Philip G. King | 2005-03-22 |
| 6439322 | Downhole hammer-type core barrel and method of using same | — | 2002-08-27 |
| 6409432 | Downhole hammer-type core barrel and method of using same | — | 2002-06-25 |
| 6371698 | Post stressed pier | Philip G. King | 2002-04-16 |
| 6189630 | Downhole hammer-type core barrel | — | 2001-02-20 |
| 6048137 | Drilled, cast-in-place shell pile and method of constructing same | — | 2000-04-11 |
| 5823276 | Diamond-tipped core barrel and method of using same | — | 1998-10-20 |
| 5368083 | Telescopic kelly bar apparatus and method | — | 1994-11-29 |
| 5366029 | Large shaft over-reamer apparatus and method | — | 1994-11-22 |
| 5256005 | Method and apparatus for placing cementitious materials in earth excavations | — | 1993-10-26 |
| 5026214 | Apparatus for placing cementitious materials in earth excavations | — | 1991-06-25 |