Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11459858 | Resource collection system | — | 2022-10-04 |
| 5989420 | Porous ceramic filter, method of manufacturing the same, ceramic filter manufacturing extrusion molding die and extrusion molding apparatus using the die | — | 1999-11-23 |
| 5632890 | Ceramic filter filtration apparatus for purifying swimming pool water | — | 1997-05-27 |
| 5584992 | Pool water purification system | — | 1996-12-17 |
| 5584990 | Pool water purification system for a plurality of pools | — | 1996-12-17 |
| 5536403 | Liquid purification system with microfiltration means, disinfection means and adsorption means | — | 1996-07-16 |
| 5403480 | Porous filter for liquid purification, and liquid purifying filter assembly and liquid purification plant employing the same | — | 1995-04-04 |
| 5370793 | Circulating fluid purification apparatus and pool water purifying system using the same | — | 1994-12-06 |
| 5244585 | Method of cleaning porous ceramic filters | — | 1993-09-14 |
| 5133557 | Golf practicing apparatus | — | 1992-07-28 |