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Walking hearth furnace
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Patent number 5,704,783
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Issue date Jan 6, 1998
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Thermoprocess GmbH
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Helmut Heuss
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F27 - FURNACES KILNS OVENS RETORTS
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Walking beam furnace
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Patent number 5,334,014
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Issue date Aug 2, 1994
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BTU International
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Gary A. Orbeck
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F27 - FURNACES KILNS OVENS RETORTS
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Walking beam furnace
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Patent number 4,466,792
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Issue date Aug 21, 1984
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Italimpianti Societa' Italiana Impianti p.A.
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Corrado Ballabene
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Walking beam furnace
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Patent number 4,330,262
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Issue date May 18, 1982
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Italimpianti Societa' Italiana Impianti p.A.
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Franz A. Kranzl
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F27 - FURNACES KILNS OVENS RETORTS
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Multiple beam furnace
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Patent number 4,116,619
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Issue date Sep 26, 1978
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BTU Engineering Corporation
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Jacob Howard Beck
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F27 - FURNACES KILNS OVENS RETORTS
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Heat processing system
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Patent number 4,033,715
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Issue date Jul 5, 1977
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BTU Engineering Corporation
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Jacob Howard Beck
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F27 - FURNACES KILNS OVENS RETORTS
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3892391
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Patent number 3,892,391
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Issue date Jul 1, 1975
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3749550
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Patent number 3,749,550
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Issue date Jul 31, 1973
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F27 - FURNACES KILNS OVENS RETORTS
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3722865
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Patent number 3,722,865
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Issue date Mar 27, 1973
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F27 - FURNACES KILNS OVENS RETORTS
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3666086
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Patent number 3,666,086
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Issue date May 30, 1972
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F27 - FURNACES KILNS OVENS RETORTS
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3664649
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Patent number 3,664,649
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Issue date May 23, 1972
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F27 - FURNACES KILNS OVENS RETORTS
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3658171
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Patent number 3,658,171
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Issue date Apr 25, 1972
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F27 - FURNACES KILNS OVENS RETORTS
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3633885
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Patent number 3,633,885
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Issue date Jan 11, 1972
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3197887
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Patent number 3,197,887
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Issue date Aug 3, 1965
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F27 - FURNACES KILNS OVENS RETORTS
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2335601
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Patent number 2,335,601
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Issue date Nov 30, 1943
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F27 - FURNACES KILNS OVENS RETORTS
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2057367
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Patent number 2,057,367
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Issue date Oct 13, 1936
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F27 - FURNACES KILNS OVENS RETORTS
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2017024
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Patent number 2,017,024
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Issue date Oct 8, 1935
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F27 - FURNACES KILNS OVENS RETORTS
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1742647
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Patent number 1,742,647
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Issue date Jan 7, 1930
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F27 - FURNACES KILNS OVENS RETORTS