Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5269679 | Staged air, recirculating flue gas low NO.sub.x burner | Janos M. Beer, Majed Togan, Donald P. Moreland, Charles E. Benson | 1993-12-14 |
| 4575948 | Pneumatic transport and heat exchange systems | Lester G. Massey, Lawrence G. Clawson | 1986-03-18 |
| 4556418 | Process for melting a ferrous burden | — | 1985-12-03 |
| 4445842 | Recuperative burner with exhaust gas recirculation means | — | 1984-05-01 |
| 4374540 | Pneumatic transport and heat exchange systems | Lester G. Massey, Lawrence G. Clawson | 1983-02-22 |