Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8688418 | Engineered methodology for design verification and validation of ultra-deep high pressure high temperature oil and gas well control equipment | Richard A. Sukup, Ravi Krishnamurthy, David B. Lewis | 2014-04-01 |
| 4354421 | Energy recovery reciprocating engine | — | 1982-10-19 |
| 4288406 | Process energy recovery | — | 1981-09-08 |
| 4203942 | Process for tubular water-bath polypropylene films | Willard N. Mitchell, Charles W. Williamson | 1980-05-20 |