Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7640988 | Hydraulically controlled burst disk subs and methods for their use | Manh V. Phi, Michael D. Murrey | 2010-01-05 |
| 5944195 | Method for separation of solids from drilling fluids by magnetic separation and centrifugation | Yuh-Hwang Tsao, Janardhan Davalath | 1999-08-31 |
| H1568 | Acoustic separation of liquid hydrocarbons from wastewater | Yuh-Hwang Tsao | 1996-08-06 |
| 5472620 | Solid-liquid separation process using at least one polymer and cavitation energy | — | 1995-12-05 |
| 5258123 | Process for dewatering an aqueous solution containing solids using water-absorbent substances | Yuh-Hwang Tsao, Martin E. Ubelhor | 1993-11-02 |
| D300232 | Toy musical instrument | — | 1989-03-14 |