Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6406587 | Method and an apparatus for fusing a sidewall fitting onto a plastic pipe | Rick D. Pruett | 2002-06-18 |
| 5919335 | Facer and hand held tool for joining small diameter plastic pipe | — | 1999-07-06 |
| 5531250 | Device for plugging the interior of a pipe | Eric N. Freeman, David Blevins, Bill D. Andrew, Buddy A. Wilson, Coy D. Osburn | 1996-07-02 |
| 5363541 | Method for repairing a transport pipe | Danny D. Toomey, Johnny M. Manley | 1994-11-15 |
| 5280670 | Apparatus for repairing a transport pipe | Danny D. Toomey, Johnny M. Manley | 1994-01-25 |
| 5205048 | Pipeline bend detector pig | Danny D. Toomey, Johnny M. Manley | 1993-04-27 |
| 4720884 | Cleaning pig with debris flushing action | — | 1988-01-26 |
| 4609209 | Precise alignment adapter flange | — | 1986-09-02 |
| 4596204 | Flag-type pig-sig | — | 1986-06-24 |