Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12259079 | Sealing plug assemblies, sealing elements, and bleed lances for line stopping a pipe and systems and methods thereof | David Albertson, Brian L. Anderson, Ray Prater, Joaquin Reyes Espinosa, Robert Niksich +2 more | 2025-03-25 |
| 12188602 | Sealing plug assemblies, line stop assemblies, and yokes with fluid pathways for line stopping a pipe and methods for the use thereof | David Albertson, Brian L. Anderson, Ray Prater, Joaquin Reyes Espinosa, Robert Niksich +2 more | 2025-01-07 |
| 5843271 | Plastic pipe butt fusion machine and cart assembly | Bill D. Andrew, Richard L. Goswick, William Joseph Tefet | 1998-12-01 |
| 5770006 | Butt fusion machine for manufacturing full size segemented pipe turns | Bill D. Andrew, Richard L. Goswick, William J. Tefft | 1998-06-23 |