Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12011695 | Cross-flow assembly and method for membrane emulsification controlled droplet production | Bruce E. Williams, Sam Trotter, Richard Holdich, David Hayward | 2024-06-18 |
| 7273561 | Method for determining the chemical dosage required to reduce sulfides in wastewater to acceptable levels | — | 2007-09-25 |
| 6508070 | Water chiller | — | 2003-01-21 |
| 6099693 | Movable water distiller | Mark W Napier | 2000-08-08 |
| 6048456 | Water filter housing | — | 2000-04-11 |
| 5662779 | Portable water purification apparatus | Ralph Gregory Greene | 1997-09-02 |
| 5304286 | Water supply system | — | 1994-04-19 |
| 5178734 | Water distilling apparatus with vertically stacked components | — | 1993-01-12 |
| 5021128 | Water distillation system and method with controls | — | 1991-06-04 |
| D314225 | Water distillation unit | David J. Shannon | 1991-01-29 |
| D313062 | Water distilling apparatus | — | 1990-12-18 |
| 4975154 | Water purification method and apparatus with conductivity sensing controls | David J. Shannon, Keith Vacha | 1990-12-04 |
| 4906337 | Water supply system | — | 1990-03-06 |
| 4888097 | Water purification method and apparatus | David J. Shannon, Keith Vacha | 1989-12-19 |
| 4805692 | Condenser for water purification apparatus | Keith Vacha | 1989-02-21 |