Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8478116 | Immersion heater with exhaust path for overpressure | Paul Neilson, Gary Cook | 2013-07-02 |
| 6833636 | Compact load bank for testing power systems | Steven U. Nestel | 2004-12-21 |
| 6740857 | Cartridge heater with moisture resistant seal and method of manufacturing same | Sidney L. Furlong, Amy M. Barker | 2004-05-25 |
| 6668136 | Integral heating and cooling unit | Paul Neilson, Randy Jarrett, Steven U. Nestel, Donald M. Cunningham | 2003-12-23 |
| 5844211 | Contoured heating element | Myron Jensen | 1998-12-01 |
| 5611241 | Integral welded sight glass for boilers | Myron Jensen | 1997-03-18 |
| 4292504 | Expanded metal electric heating element with edge support | Peter D. Gebarowski | 1981-09-29 |