Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6457697 | Foreign particle resistant valve | — | 2002-10-01 |
| 6290139 | Hydraulically actuated mixing valve | — | 2001-09-18 |
| 6290203 | Pilot operated valve assembly | — | 2001-09-18 |
| 5299775 | Flow modulating control valve assembly | — | 1994-04-05 |
| 5058624 | Flow control valve with stable modulation | — | 1991-10-22 |
| 4863098 | Flow modulating control valve assembly | Barbara J. Kolze | 1989-09-05 |
| 4790346 | Fluid control valve | Barbara J. Kolze | 1988-12-13 |
| 4697608 | Electromagnetic valve assembly | James M. Pick, Wesley S. Swanson | 1987-10-06 |
| 4541448 | Freeze protection valve with metal to plastic fitting design | — | 1985-09-17 |
| 4527590 | A.C. solenoid three way pilot valve | — | 1985-07-09 |
| 4460006 | Freeze protection valve | — | 1984-07-17 |
| 4406306 | Heat pump switchover valve | — | 1983-09-27 |
| 4352372 | Precision flow control device | — | 1982-10-05 |
| 4283040 | Pressure operated pilot control shut-off valve | — | 1981-08-11 |
| 4270570 | Valve assembly | — | 1981-06-02 |
| 4267711 | Control system for laundry appliance | — | 1981-05-19 |
| RE30207 | Means for calibrating pressure switches at extra-low pressure settings | William H. Jones | 1980-02-05 |