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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for heating removably attachable heading tool...
- Patent number 4,846,674
- Issue date Jul 11, 1989
- Microdot Inc.
- Imre Berecz
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Rotary retort furnace
- Patent number 4,648,836
- Issue date Mar 10, 1987
- Can-Eng Holdings, Ltd.
- Terrence C. Thom
- C21 - METALLURGY OF IRON
Information Patent Grant
Furnace
- Patent number 4,626,203
- Issue date Dec 2, 1986
- Furnace Juko Kabushiki Kaisha
- Hidesato Sakamoto
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Continuous production furnace to heat ring-shaped workpieces
- Patent number 4,105,398
- Issue date Aug 8, 1978
- J. Aichelin KG
- Gunther Disch
- C21 - METALLURGY OF IRON
Information Patent Grant
3632093
- Patent number 3,632,093
- Issue date Jan 4, 1972
- C21 - METALLURGY OF IRON
Information Patent Grant
2974811
- Patent number 2,974,811
- Issue date Mar 14, 1961
- C21 - METALLURGY OF IRON
Information Patent Grant
2916131
- Patent number 2,916,131
- Issue date Dec 8, 1959
- C21 - METALLURGY OF IRON
Information Patent Grant
2493785
- Patent number 2,493,785
- Issue date Jan 10, 1950
- C21 - METALLURGY OF IRON
Information Patent Grant
1451815
- Patent number 1,451,815
- Issue date Apr 17, 1923
- F27 - FURNACES KILNS OVENS RETORTS