Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4802361 | Production stream analyzer | Thomas M. Williams, Jr., Paul D. Carmichael, Hans J. Paap | 1989-02-07 |
| 4514627 | Petroleum stream analyzer | Albert P. Richter, Jr., Ronald L. Campsey, Hans J. Paap | 1985-04-30 |