Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5444813 | Infrared lamp mounting arrangement using spaced mounting holes enabling desired positioning thereof | Ronald Stehling | 1995-08-22 |
| 4778202 | Tubular component made out of quartz glass with a flange | — | 1988-10-18 |
| 4775317 | Oven for the heat treatment of semiconductor substrates | Christopher J. Bayne, Geoffrey Hayward | 1988-10-04 |
| 4720407 | Double-walled quartz-glass tube for semiconductor-technology processes | — | 1988-01-19 |
| 4653650 | Rack for supporting wafers for treatment | — | 1987-03-31 |
| 4569452 | Silica glass tray made for wafers | — | 1986-02-11 |
| 4530818 | Transparent fused silica bell for purposes relating to semiconductor technology | Alfons Gutermann, Heinz Herzog, Heinrich Mohn | 1985-07-23 |
| 4497277 | Bell of opaque fused silica | — | 1985-02-05 |
| 4488743 | Flange connection for quartz tubes | — | 1984-12-18 |
| 4477112 | Semiconductor substrate handling tray | — | 1984-10-16 |
| 4397897 | Bell of translucent fused silica for the precipitation of polysilicon | — | 1983-08-09 |
| 4370158 | Heat-treating method for semiconductor components | — | 1983-01-25 |
| 4367768 | Refractory protective tube for the heat treatment of semiconductor components | — | 1983-01-11 |
| 4349203 | Flange connection to connect a metallic and a glass or ceramic structural element | — | 1982-09-14 |
| 4340627 | Wound and sintered vitreous silica article and method of making | Heinz Herzog, Heinrich Mohn, Holger Grzybowski | 1982-07-20 |