Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5072608 | Reduction of transient thermal stresses in machine components | — | 1991-12-17 |
| 4997341 | Reduction of transient thermal stresses in machine components | — | 1991-03-05 |
| 4678404 | Low volume variable rpm submersible well pump | Joseph E. Vandevier | 1987-07-07 |
| 4669961 | Thrust balancing device for a progressing cavity pump | — | 1987-06-02 |