Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410087 | Batch and cullet proportioning apparatus | — | 2025-09-09 |
| 12084375 | Rotary batch and cullet preheater system and method | — | 2024-09-10 |
| 10101090 | Duct cleaning and valve device for furnace system | Bruce Gunner, Witold Mastek | 2018-10-16 |
| 8988304 | Systems and methods for injection molded phase shifter | — | 2015-03-24 |
| 6615612 | Electrostatic batch preheater and method of using the same | — | 2003-09-09 |
| 5855636 | Method which removes odor and pollutants when preparing cullet for use in an electrostatic bed filter | — | 1999-01-05 |
| 5779748 | Method which removes odor and pollutants when preparing cullet for use in an electrostatic bed filter | — | 1998-07-14 |
| 5773529 | Method and apparatus which removes odor and pollutants when preparing cullet for use in an electrostatic bed filter | — | 1998-06-30 |
| 4668489 | Method for treating gas streams | Karim Zahedi | 1987-05-26 |
| 4505723 | Filter apparatus | Karim Zahedi, Peter B. Zieve | 1985-03-19 |
| 4374652 | Filter apparatus and method for collecting fly ash and fine dust | Karim Zahedi | 1983-02-22 |
| 4308036 | Filter apparatus and method for collecting fly ash and fine dust | Karim Zahedi | 1981-12-29 |