Dwight S. Whittemore

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Bethel Park, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Carbon-containing carbon bonded refractories with improved physical...
- Patent number 5,318,933
- Issue date Jun 7, 1994
- Indresco Inc.
- David R. Sundell
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Insulating refractory
- Patent number 5,252,526
- Issue date Oct 12, 1993
- Indresco Inc.
- Dwight S. Whittemore
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Burned high purity refractories with low soluble chromium
- Patent number 5,219,807
- Issue date Jun 15, 1993
- Indresco Inc.
- Stanley R. Pavlica
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Alumina-carbon compositions and slidegate plates made therefrom
- Patent number 5,214,010
- Issue date May 25, 1993
- Indresco, Inc.
- Dwight S. Whittemore
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Spall resistant chrome-alumina refractory brick
- Patent number 4,792,538
- Issue date Dec 20, 1988
- Dresser Industries, Inc.
- Stanley R. Pavlica
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Slide Gates
- Patent number 4,506,022
- Issue date Mar 19, 1985
- Dresser Industries, Inc.
- Dwight S. Whittemore
- B22 - CASTING POWDER METALLURGY