Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7530278 | Fluid flow blender and methods | Grant Bradley Edwards, Dennis Smith, John A. Kielb | 2009-05-12 |
| 7422028 | Apparatus for controlling and metering fluid flow | Dale Nugent, John A. Kielb | 2008-09-09 |
| 7131451 | Apparatus for controlling and metering fluid flow | Dale Nugent, John A. Kielb | 2006-11-07 |