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Patents Grantslast 30 patents

Information Patent Grant
Magnetic annealing oven and method
- Patent number 6,455,815
- Issue date Sep 24, 2002
- Despatch Industries, L.L.P.
- Hans L. Melgaard
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Flatbaking method and apparatus
- Patent number 4,586,896
- Issue date May 6, 1986
- Robert S. Smith
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Spacer for batch coil annealing
- Patent number 4,423,857
- Issue date Jan 3, 1984
- Stelco Inc.
- Nicholas Muzak
- C21 - METALLURGY OF IRON
Information Patent Grant
3215420
- Patent number 3,215,420
- Issue date Nov 2, 1965
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
2940745
- Patent number 2,940,745
- Issue date Jun 14, 1960
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
2061358
- Patent number 2,061,358
- Issue date Nov 17, 1936
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
2024949
- Patent number 2,024,949
- Issue date Dec 17, 1935
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
1892643
- Patent number 1,892,643
- Issue date Dec 27, 1932
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
1736248
- Patent number 1,736,248
- Issue date Nov 19, 1929
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
1551004
- Patent number 1,551,004
- Issue date Aug 25, 1925
- F27 - FURNACES KILNS OVENS RETORTS