Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648377 | Saddle with gasketed bell-end portions | — | 2003-11-18 |
| 6364372 | Fitting with integral half clamp | — | 2002-04-02 |
| 6231083 | Coupling assembly for selected orientation | — | 2001-05-15 |
| 5937890 | Insert for flow throttling ball valves | — | 1999-08-17 |
| 5635068 | Combination centrifugal separator for air and solids | — | 1997-06-03 |
| 5575308 | Torque-resisting anchor for irrigation valve | — | 1996-11-19 |
| 5433243 | Fluid flow control device and method | David Griswold | 1995-07-18 |
| 5301710 | Automatic fluid flow control device, system and method | — | 1994-04-12 |
| 5230366 | Automatic fluid flow control device | — | 1993-07-27 |