Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6651688 | Divider-combiner valve | Timmy L. Chew | 2003-11-25 |
| 6581622 | Divider-combiner valve | Timmy L. Chew | 2003-06-24 |
| 4995422 | Flow control valve | Timmy L. Chew | 1991-02-26 |
| 4520841 | Four-way valve | Timmy L. Chew | 1985-06-04 |
| 4515022 | Flow monitoring method and device | — | 1985-05-07 |
| 4393723 | Fluid flow meter | — | 1983-07-19 |
| 4367763 | Four-way directional valve | — | 1983-01-11 |