Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE40181 | Infrared radiator with carbon fiber heating element centered by spacers | Siegfried Grob | 2008-03-25 |
| 6765339 | Infrared lamp and procedure for heating material to be processed | Walter Dieudonne, Klaus Schmitz, Siegfried Grob | 2004-07-20 |
| 6713945 | Coolable infrared radiator element of quartz glass | Stefan Fuchs, Friedhelm Schneider | 2004-03-30 |
| 6706235 | Method for shaping a rivet from a plastic material in the form of a pin | Bernhard Weber | 2004-03-16 |
| 6591062 | Infrared radiator with carbon fiber heating element centered by spacers | Siegfried Grob | 2003-07-08 |
| 6577816 | Infrared radiation system with multiple IR radiators of different wavelength | Siegfried Grob, Klaus Schmitz, Walter Dieudonne | 2003-06-10 |
| 6534904 | Infrared lamp with carbon ribbon being longer than a radiation length | Walter Dieudonne, Klaus Schmitz, Siegfried Grob | 2003-03-18 |
| 6464918 | Method for production of a spiral-shaped heating element | Siegfried Grob | 2002-10-15 |
| 6448570 | Radiant device, especially infrared radiator | Siegfried Grob | 2002-09-10 |
| 6421503 | Infrared radiation system with multiple IR radiators of different wavelength | Siegfried Grob, Klaus Schmitz, Walter Dieudonne | 2002-07-16 |
| 6262431 | Infrared spheroidal radiation emitter | Udo Hennecke | 2001-07-17 |
| 6122438 | Short-wave infrared surface radiator assembly with angled connection tubes | Werner Kreuter, Frank Brehm | 2000-09-19 |
| 5936333 | Radiation source with high-temperature resistant base and connection terminals, and method of its manufacture | — | 1999-08-10 |