Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6467264 | Hydraulic circuit with a return line metering valve and method of operation | Joseph L. Pfaff | 2002-10-22 |
| 6457487 | Hydraulic system with three electrohydraulic valves for controlling fluid flow to a load | Joseph L. Pfaff | 2002-10-01 |
| 6397655 | Auto-calibration of a solenoid operated valve | — | 2002-06-04 |
| 6398182 | Pilot solenoid control valve with an emergency operator | — | 2002-06-04 |