Issued Patents All Time
Showing 151–170 of 170 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5037547 | Dual stage filter cartridge for a reverse osmosis purification system | — | 1991-08-06 |
| D315399 | Tank shut-off valve | — | 1991-03-12 |
| 4971689 | Reverse osmosis water purification system with improved pressure relief value | — | 1990-11-20 |
| 4895654 | Purified water dispensing and reject water control valve assembly | — | 1990-01-23 |
| D304755 | Water reservoir for a reverse osmosis system | — | 1989-11-21 |
| 4880534 | Reverse osmosis water purification system with improved pressure relief valve | — | 1989-11-14 |
| 4880535 | Water supply station with multiple water storage reservoirs | — | 1989-11-14 |
| 4853117 | Purified water supply system | — | 1989-08-01 |
| 4834873 | Combined reverse osmosis unit and water inflow control valve for a water purification system | — | 1989-05-30 |
| 4830744 | Reverse osmosis assembly operating valve | — | 1989-05-16 |
| 4776952 | Regulated control valve assembly for a water purification system | — | 1988-10-11 |
| 4775465 | Reverse osmosis assembly operating valve | — | 1988-10-04 |
| 4752389 | Water purification system with purified water cooling apparatus | — | 1988-06-21 |
| 4743366 | Control valve assembly for purified water supply system | — | 1988-05-10 |
| 4657674 | Reverse osmosis assembly including an operating valve | — | 1987-04-14 |
| 4595497 | Purified water reverse osmosis reservoir | — | 1986-06-17 |
| 4585554 | Combined purified water dispensing device and reject water control device | — | 1986-04-29 |
| D274452 | Water reservoir for a reverse osmosis system | — | 1984-06-26 |
| D273976 | Water reservoir for a reverse osmosis system | — | 1984-05-22 |
| D273977 | Water reservoir for a reverse osmosis system | — | 1984-05-22 |