Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11016031 | Ballast water analysis system | Kristoffer Kampmann | 2021-05-25 |
| 4850808 | Liquid ring pump having port member with internal passageways for handling carry-over gas | Walter J. Schultze | 1989-07-25 |
| D294266 | Liquid ring pump | Carl G. Dudeck | 1988-02-16 |
| 4679987 | Self-priming liquid ring pump methods and apparatus | — | 1987-07-14 |
| 4551070 | Noise control for conically ported liquid ring pumps | Charles W. Bilik, Herbert H. Johnson, Charles M. Jozepaitis | 1985-11-05 |
| 4521161 | Noise control for conically ported liquid ring pumps | Charles W. Bilik, Herbert H. Johnson, Charles M. Jozepaitis | 1985-06-04 |