-
-
Preheating furnace
-
Patent number 4,153,236
-
Issue date May 8, 1979
-
Friedrich W. Elhaus
-
C21 - METALLURGY OF IRON
-
Rotary oven
-
Patent number 4,050,889
-
Issue date Sep 27, 1977
-
Belco Industries, Incorporated
-
Thomas F. Kohn
-
F27 - FURNACES KILNS OVENS RETORTS
-
-
3905758
-
Patent number 3,905,758
-
Issue date Sep 16, 1975
-
F27 - FURNACES KILNS OVENS RETORTS
-
3539100
-
Patent number 3,539,100
-
Issue date Nov 10, 1970
-
F27 - FURNACES KILNS OVENS RETORTS
-
2781891
-
Patent number 2,781,891
-
Issue date Feb 19, 1957
-
F27 - FURNACES KILNS OVENS RETORTS
-
2592236
-
Patent number 2,592,236
-
Issue date Apr 8, 1952
-
F27 - FURNACES KILNS OVENS RETORTS
-
2401093
-
Patent number 2,401,093
-
Issue date May 28, 1946
-
F27 - FURNACES KILNS OVENS RETORTS
-
2335601
-
Patent number 2,335,601
-
Issue date Nov 30, 1943
-
F27 - FURNACES KILNS OVENS RETORTS