Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9353967 | Fluid heating apparatus | — | 2016-05-31 |
| 6971871 | Variable low intensity infrared heater | — | 2005-12-06 |
| 6827079 | Apparatus and method for reducing peak temperature hot spots on a gas fired infrared industrial heater | — | 2004-12-07 |
| 6461149 | Gas burner with controlled thermal expansion | — | 2002-10-08 |
| 5752817 | Fuel gas supply and ignition system with single valve | — | 1998-05-19 |
| 5632197 | Commercial cooking vessel with improved heat transfer | Kenneth C. Lubawy | 1997-05-27 |
| 5628303 | Radiant space heater for residential use | Srinivas C. Duvvuri | 1997-05-13 |
| D378402 | Radiant space heater for residential use | Srinivas C. Duvvuri | 1997-03-11 |
| 5462431 | Ignitor with metering orifice insert | — | 1995-10-31 |
| 5165887 | Burner element of woven ceramic fiber, and infrared heater for fluid immersion apparatus including the same | — | 1992-11-24 |
| 4900245 | Infrared heater for fluid immersion apparatus | — | 1990-02-13 |