Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6656862 | Blue privacy glass | Larry J. Shelestak | 2003-12-02 |
| 6455452 | Bronze privacy glass | — | 2002-09-24 |
| 6413893 | Green privacy glass | Larry J. Shelestak, Robert B. Heithoff, Andrew Calabrese, Anthony V. Longobardo | 2002-07-02 |
| 6274523 | Gray glass composition | Anthony V. Longobardo, Larry J. Shelestak, David R. Haskins | 2001-08-14 |
| 6114264 | Gray glass composition | Anthony V. Longobardo, Larry J. Shelestak | 2000-09-05 |
| 6103650 | Green privacy glass | — | 2000-08-15 |
| 5593929 | Ultraviolet absorbing green tinted glass | Joseph A. Gulotta, Larry J. Shelestak | 1997-01-14 |
| 5565388 | Bronze glass composition | Larry J. Shelestak, Anthony V. Longobardo | 1996-10-15 |
| 5393593 | Dark gray, infrared absorbing glass composition and coated glass for privacy glazing | Joseph A. Gulotta, Luke A. Kutilek, Anthony V. Longobardo, Robert B. Heithoff | 1995-02-28 |
| 5023210 | Neutral gray, low transmittance, nickel-free glass | Paul W. Kopp, Robert B. Heithoff | 1991-06-11 |
| 4818265 | Barrier apparatus and method of use for melting and refining glass or the like | Henry C. Goode | 1989-04-04 |
| 4747883 | Continuously flushed thermocouple assembly | Roy M. Sims | 1988-05-31 |
| 4600425 | Bubbler with protective sleeve or fluid coolant jacket | William G. Hilliard, Roy M. Sims | 1986-07-15 |
| 4565560 | Energy efficient and anti-corrosive burner nozzle construction and installation configuration | Yih-Wan Tsai | 1986-01-21 |
| 4551161 | Organic wetting of glass batch | Edward P. Savolskis | 1985-11-05 |
| 4544396 | Method and apparatus for controlling currents in glass melter | William C. Harrell, William G. Hilliard, James E. Harris | 1985-10-01 |
| 4536205 | Method for controlling currents in glass melter | William C. Harrell, William G. Hilliard, James E. Harris | 1985-08-20 |
| 4410347 | Glass melting method using cullet as particulate collection medium | — | 1983-10-18 |
| 4372770 | Melting glass with two stage NO.sub.x control | Alan G. Amrhein | 1983-02-08 |
| 4350512 | Glass melting method using cullet as heat recovery and particulate collection medium | — | 1982-09-21 |
| 4349367 | Method of recovering waste heat from furnace flue gases using a granular heat exchange means | — | 1982-09-14 |