Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12262718 | Power modulator for infrared conveyor oven | William S. Schjerven, SR., James Jeffery Hanson | 2025-04-01 |
| 11771096 | Power modulator for infrared conveyor oven | William S. Schjerven, SR., James Jeffery Hanson | 2023-10-03 |
| 11058121 | Bypass circuit and wipe technique for contactor used to operate solid state relays that control heating elements | William S. Schjerven, SR., James Jeffery Hanson | 2021-07-13 |
| 10123543 | Bypass circuit and wipe technique for contactor used to operate solid state relays that control heating elements | William S. Schjerven, SR., James Jeffery Hanson | 2018-11-13 |