Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11499373 | Pulling product lines underground under obstacles including water bodies | Pablo Esteban Guerra, Richard Neil Smith, John Steven Meaders, James Williams | 2022-11-15 |
| 11136266 | Thixotropic non-cementitious thermal grout and HDD or trough product line methods of application | Pablo Esteban Guerra | 2021-10-05 |
| 11095102 | Repurposing pipeline for electrical cable | William H. Hastings, John Walter Fluharty, II, Herbert Fluharty, Daniel Henry Tait | 2021-08-17 |
| 11095101 | Repurposing pipeline for electrical cable | William H. Hastings, John Walter Fluharty, II, Herbert Fluharty, Daniel Henry Tait | 2021-08-17 |
| 11035185 | Annular pressure reduction system for horizontal directional drilling | Pablo Esteban Guerra, Karl D. Quackenbush | 2021-06-15 |
| 10914121 | Pulling product lines underground under obstacles including water bodies | Pablo Esteban Guerra, Richard Neil Smith, John Steven Meaders, James Williams | 2021-02-09 |
| 8794352 | Drilling fluid recovery when drilling under an obstacle or water body | Karl D. Quackenbush | 2014-08-05 |
| 5176211 | Apparatus and method for recirculating mud when drilling under an obstacle | George T. De La Matyr, Jr. | 1993-01-05 |