Michael G. Nelson

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Bethel Park, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Methods and apparatus for maintaining longwall face alignment
- Patent number 5,020,860
- Issue date Jun 4, 1991
- Consolidation Coal Company
- Stephen L. Bessinger
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of indirect measurement of cowl position on a longwall shearer
- Patent number 5,013,091
- Issue date May 7, 1991
- Consolidation Coal Company
- Stephen L. Bessinger
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for sensing coal-rock interface
- Patent number 4,981,327
- Issue date Jan 1, 1991
- Consolidation Coal Company
- Stephen L. Bessinger
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus and method for mapping entry conditions in remote mining...
- Patent number 4,884,847
- Issue date Dec 5, 1989
- Consolidation Coal Co.
- Stephen L. Bessinger
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for controlling a flotation cell
- Patent number 4,797,559
- Issue date Jan 10, 1989
- Consolidation Coal Company
- Hayward B. Oblad
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Fiber optic detector for flotation cell processing
- Patent number 4,797,550
- Issue date Jan 10, 1989
- Consolidation Coal Company
- Michael G. Nelson
- G01 - MEASURING TESTING