Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9689387 | Port plate of a flat sided liquid ring pump having a gas scavenge passage therein | Charles Howard Beers, Richard Gerard Cadotte | 2017-06-27 |
| 9541086 | Liquid ring pump with modular construction, an inter-stage bypass and overload protection | Charles Howard Beers | 2017-01-10 |