Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6024893 | Method for controlling a nitriding furnace | Gary D. Keil, Philip A. Newman, Paul E. Hoernlein | 2000-02-15 |
| 5910223 | Steel article having high hardness and improved toughness and process for forming the article | Gary D. Keil | 1999-06-08 |
| 5801296 | Process for automated measurement of ammonia content in a gas mixture | Gary D. Keil, Ronald G. Morgan, Wayne A. Supak | 1998-09-01 |
| 5767383 | Apparatus for automated measurement of ammonia concentration in a gas mixture | Gary D. Keil, Ronald G. Morgan, Wayne A. Supak | 1998-06-16 |
| 5722772 | Quench cooling effectiveness apparatus for continous monitoring | Gary D. Keil, Wayne A. Supak | 1998-03-03 |
| 5601363 | Quench system cooling effectiveness meter and method of operating same | Gary D. Keil, Wayne A. Supak | 1997-02-11 |
| 4921025 | Carburized low silicon steel article and process | Gary D. Keil, Gregory S. Holloway, David R. Gromer, Gary L. Biltgen | 1990-05-01 |