Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5996158 | Cleaning module and novel cleaning studs | Peggy L. Sims, Joseph L. Greene | 1999-12-07 |
| 5431545 | Pumper system for in-situ pigging applications | Larry F. Knight, Bobby N. Chaffin | 1995-07-11 |
| 5266169 | Apparatus for separating and recycling cleaning particles for cleaning furnace tubes | Cathy J. Geary, Joseph L. Greene, Larry F. Knight | 1993-11-30 |