Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5723041 | Process and apparatus for promoting annularly uniform flow | Narasimhan Devanathan, William B. VanderHeyden | 1998-03-03 |
| 5624642 | Hydrocarbon processing apparatus | Narasimhan Devanathan, Craig A. McKnight, William B. VanderHeyden, Larry P. Hackman, Robert William Skwarok | 1997-04-29 |
| 5569434 | Hydrocarbon processing apparatus and method | Narasimhan Devanathan, William B. VanderHeyden, Robert D. Buttke | 1996-10-29 |