the partition being a cylinder, coaxial to the rotary drum, defining two chambers

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Patents Grantslast 30 patents

Information Patent Grant
3709474
- Patent number 3,709,474
- Issue date Jan 9, 1973
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
3456933
- Patent number 3,456,933
- Issue date Jul 22, 1969
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
2627642
- Patent number 2,627,642
- Issue date Feb 10, 1953
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
2086672
- Patent number 2,086,672
- Issue date Jul 13, 1937
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
2049734
- Patent number 2,049,734
- Issue date Aug 4, 1936
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
1366479
- Patent number 1,366,479
- Issue date Jan 25, 1921
- F27 - FURNACES KILNS OVENS RETORTS