Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5993655 | Filtration device | — | 1999-11-30 |
| 5938982 | Device for fining bubbles of gas contained in liquid | — | 1999-08-17 |
| 5779889 | Washing apparatus and oily water separation device and filtration device best suited to washing apparatus | — | 1998-07-14 |
| 5662800 | Oil/water purifying apparatus | — | 1997-09-02 |
| 4666373 | Impeller for rotary fluid machine | — | 1987-05-19 |
| 4666854 | Apparatus for producing compost | — | 1987-05-19 |
| 4588503 | Liquid filter assembly | — | 1986-05-13 |
| D268112 | Impeller for centrifugal pumps or similar article | — | 1983-03-01 |
| 4290979 | Aeration apparatus | — | 1981-09-22 |
| D258588 | Impeller for centrifugal pumps or similar article | — | 1981-03-17 |
| D258589 | Impeller for centrifugal pumps or similar article | — | 1981-03-17 |
| 4253798 | Centrifugal pump | — | 1981-03-03 |