Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4769058 | Method of making a smooth silica glass body | — | 1988-09-06 |
| 4738705 | Gas burner forced convection heating of glass sheets | — | 1988-04-19 |
| 4688522 | Fluid power transfer device and fuel system therefor | — | 1987-08-25 |
| 4681616 | Glass sheet tempering method and furnace | — | 1987-07-21 |
| 4661141 | Glass sheet press bending system | Dean M. Nitschke, David B. Nitschke, John S. Nitschke | 1987-04-28 |
| 4620864 | Glass sheet tempering utilizing heating and quenching performed in ambient at superatmospheric pressure | — | 1986-11-04 |
| 4609391 | Method for forming glass sheets | — | 1986-09-02 |
| 4575390 | Apparatus for forming glass sheets | — | 1986-03-11 |
| 4529380 | Glass sheet roller conveyor furnace including gas jet pump heating | — | 1985-07-16 |
| 4515622 | Glass sheet quench including oppositely angled jets | Robert G. McMaster, Ronald A. McMaster | 1985-05-07 |
| 4505671 | Glass sheet roller conveyor furnace including gas jet pump heating | — | 1985-03-19 |
| 4437872 | Apparatus for bending and tempering glass sheets | Norman C. Nitschke, John S. Nitschke | 1984-03-20 |
| 4437871 | Apparatus and method for bending glass sheets | Norman C. Nitschke, John S. Nitschke | 1984-03-20 |
| 4368567 | Glass conveyor roll finishing technique | — | 1983-01-18 |
| 4364765 | Apparatus and method for handling heated glass sheets | Norman C. Nitschke, John S. Nitschke | 1982-12-21 |
| 4363163 | Quench roll including helically wrapped support | — | 1982-12-14 |
| 4361432 | Apparatus and method for removing a glass sheet from a carrier | Norman C. Nitschke, John S. Nitschke | 1982-11-30 |
| 4356018 | Method and apparatus for deep bending glass sheets | — | 1982-10-26 |
| 4282026 | Apparatus for bending and tempering glass | Norman C. Nitschke, John S. Nitschke | 1981-08-04 |
| 4240816 | Method and apparatus for forming tempered sheet glass with a pyrolytic film in a continuous process | Norman C. Nitschke | 1980-12-23 |
| 4222763 | Gas jet pump, and apparatus using same | — | 1980-09-16 |
| 4204854 | Apparatus and method for bending glass sheets | John S. Nitschke, Dean M. Nitschke | 1980-05-27 |
| 4202681 | Vacuum holder system and method for use in bending glass | John S. Nitschke | 1980-05-13 |