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Sheryl A. Tipton
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East Peoria, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method for controlling a nitriding furnace
Patent number
6,024,893
Issue date
Feb 15, 2000
Caterpillar Inc.
Gary D. Keil
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Steel article having high hardness and improved toughness and proce...
Patent number
5,910,223
Issue date
Jun 8, 1999
Caterpillar Inc.
Sheryl A. Tipton
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Process for automated measurement of ammonia content in a gas mixture
Patent number
5,801,296
Issue date
Sep 1, 1998
Caterpillar Inc.
Gary D. Keil
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus for automated measurement of ammonia concentration in a g...
Patent number
5,767,383
Issue date
Jun 16, 1998
Caterpillar Inc.
Gary D. Keil
G01 - MEASURING TESTING
Information
Patent Grant
Quench cooling effectiveness apparatus for continous monitoring
Patent number
5,722,772
Issue date
Mar 3, 1998
Gary D. Keil
C21 - METALLURGY OF IRON
Information
Patent Grant
Quench system cooling effectiveness meter and method of operating same
Patent number
5,601,363
Issue date
Feb 11, 1997
Caterpillar Inc.
Gary D. Keil
G01 - MEASURING TESTING
Information
Patent Grant
Carburized low silicon steel article and process
Patent number
4,921,025
Issue date
May 1, 1990
Caterpillar Inc.
Sheryl A. Tipton
C21 - METALLURGY OF IRON