Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5893383 | Fluidic Oscillator | — | 1999-04-13 |
| 5228508 | Perforation cleaning tools | Timothy A. Cobb, Michael D. Hyman | 1993-07-20 |
| 5165438 | Fluidic oscillator | Timothy A. Cobb, Michael D. Hyman | 1992-11-24 |
| 5135051 | Perforation cleaning tool | Timothy A. Cobb, Michael D. Hyman | 1992-08-04 |