Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5748837 | High temperature lamp heater assembly with cooling of lamp base portions | Richard A. Lokar | 1998-05-05 |
| 5590240 | Ultra pure water heater with coaxial helical flow paths | — | 1996-12-31 |
| 5396574 | Tubular high efficiency, non-contaminating fluid heater | Howard J. Base, Richard A. Lokar | 1995-03-07 |
| 5155800 | Panel heater assembly for use in a corrosive environment and method of manufacturing the heater | Robert J. Walty | 1992-10-13 |
| 5109473 | Heater assembly for use in a corrosive environment | Richard A. Lokar | 1992-04-28 |
| 4929930 | Liquid level controller utilizing the rate of change of a thermocouple | — | 1990-05-29 |