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CPC
F27M2001/1547
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Parent Industries
F
MECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS
F27
Furnaces
F27M
INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
F27M2001/00
Composition, conformation or state of the charge
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F27M2001/1547
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Patents Grants
last 30 patents
Information
Patent Grant
Preheating furnace
Patent number
4,153,236
Issue date
May 8, 1979
Friedrich W. Elhaus
C21 - METALLURGY OF IRON
Information
Patent Grant
Continuous heating furnace for elongated metal ingots
Patent number
4,035,142
Issue date
Jul 12, 1977
"OFU" Ofenbau-Union GmbH
Ernst Hatzenbichler
C21 - METALLURGY OF IRON
Information
Patent Grant
3713631
Patent number
3,713,631
Issue date
Jan 30, 1973
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
3384730
Patent number
3,384,730
Issue date
May 21, 1968
C21 - METALLURGY OF IRON
Information
Patent Grant
3222043
Patent number
3,222,043
Issue date
Dec 7, 1965
C21 - METALLURGY OF IRON
Information
Patent Grant
3189338
Patent number
3,189,338
Issue date
Jun 15, 1965
C21 - METALLURGY OF IRON
Information
Patent Grant
2951491
Patent number
2,951,491
Issue date
Sep 6, 1960
C21 - METALLURGY OF IRON
Information
Patent Grant
2850140
Patent number
2,850,140
Issue date
Sep 2, 1958
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
2620918
Patent number
2,620,918
Issue date
Dec 9, 1952
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
2335601
Patent number
2,335,601
Issue date
Nov 30, 1943
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
1872210
Patent number
1,872,210
Issue date
Aug 16, 1932
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
1833894
Patent number
1,833,894
Issue date
Dec 1, 1931
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
1770446
Patent number
1,770,446
Issue date
Jul 15, 1930
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
1699955
Patent number
1,699,955
Issue date
Jan 22, 1929
F27 - FURNACES KILNS OVENS RETORTS
Patents Applications
last 30 patents