Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6177656 | Method and apparatus for controlling heating and cooling in segments of a fiber glass bushing | Eugene C. Varrasso | 2001-01-23 |
| 6167728 | Method and apparatus for controlling heating and cooling in segments of a fiber glass bushing | Eugene C. Varrasso | 2001-01-02 |
| 6070437 | Tip-plate thermocouple | Eugene C. Varrasso, Susan M. Pierik | 2000-06-06 |
| 5785728 | Method for controlling heating and cooling in segments at a fiber glass bushing | Eugene C. Varrasso | 1998-07-28 |
| 4819149 | Distributed control system | Dennis H. Shreve, Eugene C. Varrasso | 1989-04-04 |
| 4563633 | Apparatus for sensing openings in sheet | Ken Johnson | 1986-01-07 |
| 4345106 | Method of and apparatus for detecting the level of molten glass in a glass melting furnace | Sheldon A. Canfield | 1982-08-17 |
| 4340965 | Method of and apparatus for detecting and circumventing malfunctions in a current-loop communications system | John T. Beckman | 1982-07-20 |
| 4312657 | Method of and apparatus for sensing the level of molten glass in a glass melting furnace | Sheldon A. Canfield | 1982-01-26 |