Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5575452 | Blowout preventer with ram wedge locks | Melvyn F. Whitby, Frank L. Sklenka | 1996-11-19 |
| 5505426 | Hydraulically controlled blowout preventer | Melvyn F. Whitby, Tri C. Le | 1996-04-09 |
| 5400857 | Oilfield tubular shear ram and method for blowout prevention | Melvyn F. Whitby | 1995-03-28 |