control of the workpiece stay in different zones

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Patents Grantslast 30 patents

Information Patent Grant
Heat treatment material handling unit
- Patent number 6,210,156
- Issue date Apr 3, 2001
- General Motors Corporation
- Joseph Paul Horvath
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Heat treatment method using a zoned tunnel furnace
- Patent number 4,966,547
- Issue date Oct 30, 1990
- Central Glass Company, Limited
- Takashi Okuyama
- F27 - FURNACES KILNS OVENS RETORTS
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 hearth furnace and method of loading and unloading the furnace
- Patent number 4,412,813
- Issue date Nov 1, 1983
- Alco Standard Corporation
- Karl A. Wulf
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
3099437
- Patent number 3,099,437
- Issue date Jul 30, 1963
- F27 - FURNACES KILNS OVENS RETORTS