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Jonathan J. Kim
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Chelmsford, MA, US
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last 30 patents
Information
Patent Grant
Process for making silicon carbide ceramic fibers
Patent number
5,354,527
Issue date
Oct 11, 1994
The Carborundum Company
Francis J. Frechette
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method of producing near net shape fused cast refractories
Patent number
5,171,491
Issue date
Dec 15, 1992
The Carborundum Company
Jonathan J. Kim
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process for the continuous production of high purity, ultra-fine, a...
Patent number
5,154,907
Issue date
Oct 13, 1992
The Carborundum Company
Jonathan J. Kim
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Apparatus for the continuous production of high ultra-fine, aluminu...
Patent number
5,108,713
Issue date
Apr 28, 1992
The Carborundum Company
Jonathan J. Kim
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Near net shape fused cast refractories and process for their manufa...
Patent number
5,028,572
Issue date
Jul 2, 1991
The Carborundum Company
Jonathan J. Kim
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Anode for a plasma arc torch
Patent number
4,896,017
Issue date
Jan 23, 1990
The Carborundum Company
Lewis M. Koppel
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method and apparatus to produce a hot fluidizing gas
Patent number
4,790,986
Issue date
Dec 13, 1988
Stemcor Corporation
Jonathan J. Kim
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Near net shape fused cast refractories and process for their manufa...
Patent number
4,791,077
Issue date
Dec 13, 1988
Stemcor Corporation
Jonathan J. Kim
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Plasma heated sintering furnace
Patent number
4,707,583
Issue date
Nov 17, 1987
Kennecott Corporation
Jonathan J. Kim
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method for preventing decomposition of silicon carbide articles dur...
Patent number
4,698,481
Issue date
Oct 6, 1987
Kennecott Corporation
Jonathan J. Kim
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Plasma arc sintering of silicon carbide
Patent number
4,676,940
Issue date
Jun 30, 1987
Kennecott Corporation
Jonathan J. Kim
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process for sintering extruded powder shapes
Patent number
4,666,775
Issue date
May 19, 1987
Kennecott Corporation
Jonathan J. Kim
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
System for preventing decomposition of silicon carbide articles dur...
Patent number
4,649,002
Issue date
Mar 10, 1987
Kennecott Corporation
Jonathan J. Kim
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Sintering or reaction sintering process for ceramic or refractory m...
Patent number
4,559,312
Issue date
Dec 17, 1985
Kennecott Corporation
Jonathan J. Kim
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Pyrometallurgical oxidation of molybdenum rich matte
Patent number
4,334,924
Issue date
Jun 15, 1982
Kennecott Corporation
Jonathan J. Kim
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Combined carburization and sulfurization/desulfurization of molybde...
Patent number
4,334,925
Issue date
Jun 15, 1982
Kennecott Corporation
Jonathan J. Kim
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Pyrometallurgical brass production
Patent number
4,131,453
Issue date
Dec 26, 1978
Kennecott Copper Corporation
Jonathan J. Kim
C21 - METALLURGY OF IRON
Information
Patent Grant
Mechanically stirred furnace for pyrometallurgical operations and p...
Patent number
4,060,409
Issue date
Nov 29, 1977
Kennecott Copper Corporation
Paul R. Ammann
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Pyrometallurgical process for smelting nickel and nickel-copper con...
Patent number
4,036,636
Issue date
Jul 19, 1977
Kennecott Copper Corporation
Paul R. Ammann
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Pyrometallurgical recovery of iron from iron silicate slags
Patent number
4,001,011
Issue date
Jan 4, 1977
Kennecott Copper Corporation
Jagdish C. Agarwal
C21 - METALLURGY OF IRON