Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6244291 | Process sampling selection valves | — | 2001-06-12 |
| 6125884 | Process sampling selection valves | — | 2000-10-03 |
| D418074 | Signal coupler unit | Mark Edward Hicks, Stephen Kenneth Cooper | 1999-12-28 |
| 5725695 | Method of making aluminum alloy foil and product therefrom | Bennie R. Ward, James P. Martin | 1998-03-10 |
| 5183446 | Differential mechanism | — | 1993-02-02 |
| D304070 | Shut-off valve for specialty gases | — | 1989-10-17 |
| D297929 | Adjustable flow switch | — | 1988-10-04 |
| D295972 | Adjustable flow switch | — | 1988-05-31 |
| 4647891 | Encapsulated magnet and method of forming same | — | 1987-03-03 |
| D287044 | Fluid control valve | — | 1986-12-02 |
| D287043 | Automatic fluid shutoff valve | — | 1986-12-02 |
| 4524024 | Processes of recovering fatty acids and sterols from tall oil pitch | — | 1985-06-18 |
| 4513184 | Flow actuated switch | — | 1985-04-23 |
| 4412568 | Fill valve | — | 1983-11-01 |