Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5921745 | Low head turbine | George F. Round | 1999-07-13 |
| 5720251 | Rotary engine and method of operation | George F. Round, Lixin Peng | 1998-02-24 |
| 5658138 | Rotary pump having inner and outer components having abutments and recesses | George F. Round, Lixin Peng | 1997-08-19 |
| 5649424 | Two-stage pressure cylinder | — | 1997-07-22 |
| 5059101 | Fluid end | — | 1991-10-22 |
| 4932850 | Rotary drive having inner and outer interengaging rotors | — | 1990-06-12 |
| 4924901 | In line valve | — | 1990-05-15 |
| 4749347 | Topology fabrication apparatus | — | 1988-06-07 |
| 4734013 | Rotary pressure intensifier | — | 1988-03-29 |
| 4619166 | Double-bladed power hacksaw | — | 1986-10-28 |
| 4495768 | Hydrostatic transmissions | — | 1985-01-29 |