Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4691729 | Reverse-buckling rupture disk with replaceable disk and blade | — | 1987-09-08 |
| 4682619 | Reverse-buckling rupture disk | Bill Engelhardt | 1987-07-28 |
| 4655070 | Scored concave-convex rupture disk and method of manufacture | — | 1987-04-07 |
| 4301938 | Safety pressure relief device | Loren E. Wood, Jerome D. Allen, Jerry W. Kays, Calvin C. Forsythe | 1981-11-24 |
| 4278181 | Safety pressure relief device | Loren E. Wood, Jerome D. Allen, Jerry W. Kays, Calvin C. Forsythe | 1981-07-14 |
| 4269214 | Safety pressure relief device | Calvin C. Forsythe, John L. Strelow | 1981-05-26 |
| 4236648 | Safety pressure relief apparatus | Loren E. Wood, Calvin C. Forsythe, John L. Strelow, Edward H. Short, III, Jerome D. Allen | 1980-12-02 |