Mark C. Langenohl

Person

Pittsburgh, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method of applying a non-slumping pumpable castable high purity sil...
- Patent number 6,268,018
- Issue date Jul 31, 2001
- Harbison-Walker Refractories Company
- Mark C. Langenohl
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Non-slumping, pumpable castable high purity silica composition
- Patent number 6,190,448
- Issue date Feb 20, 2001
- Harbison-Walker Refractories Company
- Mark C. Langenohl
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Castable and gunning composition with improved resistance to build-...
- Patent number 5,753,572
- Issue date May 19, 1998
- Harbison-Walker Refractories Company
- Mark C. Langenohl
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Non-slumping, pumpable castable and method of applying the same
- Patent number 5,549,745
- Issue date Aug 27, 1996
- Indresco Inc.
- Mark C. Langenohl
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Non-slumping, pumpable castable and method of applying the same
- Patent number 5,512,325
- Issue date Apr 30, 1996
- Indresco Inc.
- Mark C. Langenohl
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Vitreous silica-based plastic refractory
- Patent number 5,340,782
- Issue date Aug 23, 1994
- Indresco Inc.
- Mark C. Langenohl
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Silicon carbide refractory composition and products
- Patent number 5,318,932
- Issue date Jun 7, 1994
- Indresco Inc.
- Mark C. Langenohl
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Cement-free silicon carbide monoliths
- Patent number 5,214,006
- Issue date May 25, 1993
- Indresco Inc.
- Mark C. Langenohl
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Mark C. Langenohl

Person

Patents Grantslast 30 patents

Method of applying a non-slumping pumpable castable high purity sil...

Non-slumping, pumpable castable high purity silica composition

Castable and gunning composition with improved resistance to build-...

Non-slumping, pumpable castable and method of applying the same

Non-slumping, pumpable castable and method of applying the same

Vitreous silica-based plastic refractory

Silicon carbide refractory composition and products

Cement-free silicon carbide monoliths