Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6172151 | Nonaqueous drag reducing suspensions | Ray L. Johnston | 2001-01-09 |
| 5539044 | Slurry drag reducer | Aysen Dindi, Ray L. Johnston, Debora Flanagan Massouda | 1996-07-23 |
| 5244937 | Stable nonagglomerating aqueous suspensions of oil soluble polymeric friction reducers | Will Adams | 1993-09-14 |
| 5067508 | Activation of water-in-oil emulsions of friction reducing polymers for use in saline fluids | Fred R. Wiggins | 1991-11-26 |
| 5027843 | Use of a water soluble drag reducer in a water/oil/gas system | Ronald N. Grabois | 1991-07-02 |